Package.Open Método

Definição

Abre um pacote.Opens a package.

Sobrecargas

Open(Stream)

Abre um pacote em um determinado fluxo de E/S.Opens a package on a given IO stream.

Open(String)

Abre um pacote em um determinado caminho e nome de arquivo.Opens a package at a given path and file name.

Open(Stream, FileMode)

Abre um pacote com um fluxo de E/S e um modo de arquivo.Opens a package with a given IO stream and file mode.

Open(String, FileMode)

Abre um pacote em um determinado caminho usando um dado modo de arquivo.Opens a package at a given path using a given file mode.

Open(Stream, FileMode, FileAccess)

Abre um pacote com um fluxo de E/S, um modo de arquivo e uma configuração de acesso a arquivos especificados.Opens a package with a given IO stream, file mode, and file access setting.

Open(String, FileMode, FileAccess)

Abre um pacote em um determinado caminho usando um dado modo de arquivo e uma configuração de acesso ao arquivo.Opens a package at a given path using a given file mode and file access setting.

Open(String, FileMode, FileAccess, FileShare)

Abre um pacote em um determinado caminho usando um dado modo de arquivo, acesso a arquivos e configurações de compartilhamento de arquivos.Opens a package at a given path using a given file mode, file access, and file share setting.

Exemplos

O exemplo a seguir mostra como criar um novo Package que incorpora os elementos PackageRelationship e PackagePart junto com os dados armazenados.The following example shows how to create a new Package that incorporates PackageRelationship and PackagePart elements together with stored data. Para obter o exemplo completo, consulte escrevendo um exemplo de pacote.For the complete sample, see Writing a Package Sample.

//  -------------------------- CreatePackage --------------------------
/// <summary>
///   Creates a package zip file containing specified
///   content and resource files.</summary>
private static void CreatePackage()
{
    // Convert system path and file names to Part URIs. In this example
    // Uri partUriDocument /* /Content/Document.xml */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Content\Document.xml", UriKind.Relative));
    // Uri partUriResource /* /Resources/Image1.jpg */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Resources\Image1.jpg", UriKind.Relative));
    Uri partUriDocument = PackUriHelper.CreatePartUri(
                              new Uri(documentPath, UriKind.Relative));
    Uri partUriResource = PackUriHelper.CreatePartUri(
                              new Uri(resourcePath, UriKind.Relative));

    // Create the Package
    // (If the package file already exists, FileMode.Create will
    //  automatically delete it first before creating a new one.
    //  The 'using' statement insures that 'package' is
    //  closed and disposed when it goes out of scope.)
    using (Package package =
        Package.Open(packagePath, FileMode.Create))
    {
        // Add the Document part to the Package
        PackagePart packagePartDocument =
            package.CreatePart(partUriDocument,
                           System.Net.Mime.MediaTypeNames.Text.Xml);

        // Copy the data to the Document Part
        using (FileStream fileStream = new FileStream(
               documentPath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartDocument.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri,
                                   TargetMode.Internal,
                                   PackageRelationshipType);

        // Add a Resource Part to the Package
        PackagePart packagePartResource =
            package.CreatePart(partUriResource,
                           System.Net.Mime.MediaTypeNames.Image.Jpeg);

        // Copy the data to the Resource Part
        using (FileStream fileStream = new FileStream(
               resourcePath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartResource.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(
                                new Uri(@"../resources/image1.jpg",
                                UriKind.Relative),
                                TargetMode.Internal,
                                ResourceRelationshipType);

    }// end:using (Package package) - Close and dispose package.

}// end:CreatePackage()

//  --------------------------- CopyStream ---------------------------
/// <summary>
///   Copies data from a source stream to a target stream.</summary>
/// <param name="source">
///   The source stream to copy from.</param>
/// <param name="target">
///   The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
    const int bufSize = 0x1000;
    byte[] buf = new byte[bufSize];
    int bytesRead = 0;
    while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
        target.Write(buf, 0, bytesRead);
}// end:CopyStream()
'  -------------------------- CreatePackage --------------------------
''' <summary>
'''   Creates a package zip file containing specified
'''   content and resource files.</summary>
Private Shared Sub CreatePackage()
    ' Convert system path and file names to Part URIs. In this example
    ' Dim partUriDocument as Uri /* /Content/Document.xml */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Content\Document.xml", UriKind.Relative))
    ' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Resources\Image1.jpg", UriKind.Relative))
    Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
    Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))

    ' Create the Package
    ' (If the package file already exists, FileMode.Create will
    '  automatically delete it first before creating a new one.
    '  The 'using' statement insures that 'package' is
    '  closed and disposed when it goes out of scope.)
    Using package As Package = Package.Open(packagePath, FileMode.Create)
        ' Add the Document part to the Package
        Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)

        ' Copy the data to the Document Part
        Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartDocument.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)

        ' Add a Resource Part to the Package
        Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)

        ' Copy the data to the Resource Part
        Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartResource.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)

    End Using ' end:using (Package package) - Close and dispose package.

End Sub


'  --------------------------- CopyStream ---------------------------
''' <summary>
'''   Copies data from a source stream to a target stream.</summary>
''' <param name="source">
'''   The source stream to copy from.</param>
''' <param name="target">
'''   The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
    Const bufSize As Integer = &H1000
    Dim buf(bufSize - 1) As Byte
    Dim bytesRead As Integer = 0
    bytesRead = source.Read(buf, 0, bufSize)
    Do While bytesRead > 0
        target.Write(buf, 0, bytesRead)
        bytesRead = source.Read(buf, 0, bufSize)
    Loop
End Sub

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(Stream)

Abre um pacote em um determinado fluxo de E/S.Opens a package on a given IO stream.

public:
 static System::IO::Packaging::Package ^ Open(System::IO::Stream ^ stream);
public static System.IO.Packaging.Package Open (System.IO.Stream stream);
static member Open : System.IO.Stream -> System.IO.Packaging.Package

Parâmetros

stream
Stream

O fluxo de E/S no qual abrir o pacote.The IO stream on which to open the package.

Retornos

O pacote aberto.The opened package.

Exceções

stream é null.stream is null.

Para abrir o pacote requer permissão de leitura/gravação e o stream especificado é somente gravação ou então o pacote a abrir requer permissão de gravação ou de leitura/gravação e o stream especificado é somente leitura.The package to open requires read or read/write permission and the specified stream is write-only; or, the package to open requires write or read/write permission and the specified stream is read-only.

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(String)

Abre um pacote em um determinado caminho e nome de arquivo.Opens a package at a given path and file name.

public:
 static System::IO::Packaging::Package ^ Open(System::String ^ path);
public static System.IO.Packaging.Package Open (string path);
static member Open : string -> System.IO.Packaging.Package
Public Shared Function Open (path As String) As Package

Parâmetros

path
String

O caminho e o nome de arquivo do pacote.The path and file name of the package.

Retornos

O pacote aberto.The opened package.

Exceções

path é null.path is null.

Exemplos

O exemplo a seguir mostra como criar um novo Package que incorpora os elementos PackageRelationship e PackagePart junto com os dados armazenados.The following example shows how to create a new Package that incorporates PackageRelationship and PackagePart elements together with stored data. Para obter o exemplo completo, consulte escrevendo um exemplo de pacote.For the complete sample, see Writing a Package Sample.

//  -------------------------- CreatePackage --------------------------
/// <summary>
///   Creates a package zip file containing specified
///   content and resource files.</summary>
private static void CreatePackage()
{
    // Convert system path and file names to Part URIs. In this example
    // Uri partUriDocument /* /Content/Document.xml */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Content\Document.xml", UriKind.Relative));
    // Uri partUriResource /* /Resources/Image1.jpg */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Resources\Image1.jpg", UriKind.Relative));
    Uri partUriDocument = PackUriHelper.CreatePartUri(
                              new Uri(documentPath, UriKind.Relative));
    Uri partUriResource = PackUriHelper.CreatePartUri(
                              new Uri(resourcePath, UriKind.Relative));

    // Create the Package
    // (If the package file already exists, FileMode.Create will
    //  automatically delete it first before creating a new one.
    //  The 'using' statement insures that 'package' is
    //  closed and disposed when it goes out of scope.)
    using (Package package =
        Package.Open(packagePath, FileMode.Create))
    {
        // Add the Document part to the Package
        PackagePart packagePartDocument =
            package.CreatePart(partUriDocument,
                           System.Net.Mime.MediaTypeNames.Text.Xml);

        // Copy the data to the Document Part
        using (FileStream fileStream = new FileStream(
               documentPath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartDocument.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri,
                                   TargetMode.Internal,
                                   PackageRelationshipType);

        // Add a Resource Part to the Package
        PackagePart packagePartResource =
            package.CreatePart(partUriResource,
                           System.Net.Mime.MediaTypeNames.Image.Jpeg);

        // Copy the data to the Resource Part
        using (FileStream fileStream = new FileStream(
               resourcePath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartResource.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(
                                new Uri(@"../resources/image1.jpg",
                                UriKind.Relative),
                                TargetMode.Internal,
                                ResourceRelationshipType);

    }// end:using (Package package) - Close and dispose package.

}// end:CreatePackage()

//  --------------------------- CopyStream ---------------------------
/// <summary>
///   Copies data from a source stream to a target stream.</summary>
/// <param name="source">
///   The source stream to copy from.</param>
/// <param name="target">
///   The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
    const int bufSize = 0x1000;
    byte[] buf = new byte[bufSize];
    int bytesRead = 0;
    while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
        target.Write(buf, 0, bytesRead);
}// end:CopyStream()
'  -------------------------- CreatePackage --------------------------
''' <summary>
'''   Creates a package zip file containing specified
'''   content and resource files.</summary>
Private Shared Sub CreatePackage()
    ' Convert system path and file names to Part URIs. In this example
    ' Dim partUriDocument as Uri /* /Content/Document.xml */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Content\Document.xml", UriKind.Relative))
    ' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Resources\Image1.jpg", UriKind.Relative))
    Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
    Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))

    ' Create the Package
    ' (If the package file already exists, FileMode.Create will
    '  automatically delete it first before creating a new one.
    '  The 'using' statement insures that 'package' is
    '  closed and disposed when it goes out of scope.)
    Using package As Package = Package.Open(packagePath, FileMode.Create)
        ' Add the Document part to the Package
        Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)

        ' Copy the data to the Document Part
        Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartDocument.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)

        ' Add a Resource Part to the Package
        Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)

        ' Copy the data to the Resource Part
        Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartResource.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)

    End Using ' end:using (Package package) - Close and dispose package.

End Sub


'  --------------------------- CopyStream ---------------------------
''' <summary>
'''   Copies data from a source stream to a target stream.</summary>
''' <param name="source">
'''   The source stream to copy from.</param>
''' <param name="target">
'''   The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
    Const bufSize As Integer = &H1000
    Dim buf(bufSize - 1) As Byte
    Dim bytesRead As Integer = 0
    bytesRead = source.Read(buf, 0, bufSize)
    Do While bytesRead > 0
        target.Write(buf, 0, bytesRead)
        bytesRead = source.Read(buf, 0, bufSize)
    Loop
End Sub

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Esse método de Open abre o pacote com atributos padrão OpenOrCreate, ReadWritee None (para especificar atributos diferentes, use uma das outras sobrecargas de métodos abertos).This Open method opens the package with default attributes OpenOrCreate, ReadWrite, and None (to specify different attributes use one of the other Open method overloads).

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(Stream, FileMode)

Abre um pacote com um fluxo de E/S e um modo de arquivo.Opens a package with a given IO stream and file mode.

public:
 static System::IO::Packaging::Package ^ Open(System::IO::Stream ^ stream, System::IO::FileMode packageMode);
public static System.IO.Packaging.Package Open (System.IO.Stream stream, System.IO.FileMode packageMode);
static member Open : System.IO.Stream * System.IO.FileMode -> System.IO.Packaging.Package

Parâmetros

stream
Stream

O fluxo de E/S no qual abrir o pacote.The IO stream on which to open the package.

packageMode
FileMode

O modo de arquivo no qual o pacote é aberto.The file mode in which to open the package.

Retornos

O pacote aberto.The opened package.

Exceções

stream é null.stream is null.

O valor packageMode não é válido.packageMode value is not valid.

Para abrir o pacote requer permissão de leitura/gravação e o stream especificado é somente gravação ou então o pacote a abrir requer permissão de gravação ou de leitura/gravação e o stream especificado é somente leitura.The package to open requires read or read/write permission and the specified stream is write-only; or, the package to open requires write or read/write permission and the specified stream is read-only.

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(String, FileMode)

Abre um pacote em um determinado caminho usando um dado modo de arquivo.Opens a package at a given path using a given file mode.

public:
 static System::IO::Packaging::Package ^ Open(System::String ^ path, System::IO::FileMode packageMode);
public static System.IO.Packaging.Package Open (string path, System.IO.FileMode packageMode);
static member Open : string * System.IO.FileMode -> System.IO.Packaging.Package
Public Shared Function Open (path As String, packageMode As FileMode) As Package

Parâmetros

path
String

O caminho e o nome de arquivo do pacote.The path and file name of the package.

packageMode
FileMode

O modo de arquivo no qual o pacote é aberto.The file mode in which to open the package.

Retornos

O pacote aberto.The opened package.

Exceções

path é null.path is null.

O valor para packageMode não é válido.Value for packageMode is not valid.

Exemplos

O exemplo a seguir mostra como criar um novo Package que incorpora os elementos PackageRelationship e PackagePart junto com os dados armazenados.The following example shows how to create a new Package that incorporates PackageRelationship and PackagePart elements together with stored data. Para obter o exemplo completo, consulte escrevendo um exemplo de pacote.For the complete sample, see Writing a Package Sample.

//  -------------------------- CreatePackage --------------------------
/// <summary>
///   Creates a package zip file containing specified
///   content and resource files.</summary>
private static void CreatePackage()
{
    // Convert system path and file names to Part URIs. In this example
    // Uri partUriDocument /* /Content/Document.xml */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Content\Document.xml", UriKind.Relative));
    // Uri partUriResource /* /Resources/Image1.jpg */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Resources\Image1.jpg", UriKind.Relative));
    Uri partUriDocument = PackUriHelper.CreatePartUri(
                              new Uri(documentPath, UriKind.Relative));
    Uri partUriResource = PackUriHelper.CreatePartUri(
                              new Uri(resourcePath, UriKind.Relative));

    // Create the Package
    // (If the package file already exists, FileMode.Create will
    //  automatically delete it first before creating a new one.
    //  The 'using' statement insures that 'package' is
    //  closed and disposed when it goes out of scope.)
    using (Package package =
        Package.Open(packagePath, FileMode.Create))
    {
        // Add the Document part to the Package
        PackagePart packagePartDocument =
            package.CreatePart(partUriDocument,
                           System.Net.Mime.MediaTypeNames.Text.Xml);

        // Copy the data to the Document Part
        using (FileStream fileStream = new FileStream(
               documentPath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartDocument.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri,
                                   TargetMode.Internal,
                                   PackageRelationshipType);

        // Add a Resource Part to the Package
        PackagePart packagePartResource =
            package.CreatePart(partUriResource,
                           System.Net.Mime.MediaTypeNames.Image.Jpeg);

        // Copy the data to the Resource Part
        using (FileStream fileStream = new FileStream(
               resourcePath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartResource.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(
                                new Uri(@"../resources/image1.jpg",
                                UriKind.Relative),
                                TargetMode.Internal,
                                ResourceRelationshipType);

    }// end:using (Package package) - Close and dispose package.

}// end:CreatePackage()

//  --------------------------- CopyStream ---------------------------
/// <summary>
///   Copies data from a source stream to a target stream.</summary>
/// <param name="source">
///   The source stream to copy from.</param>
/// <param name="target">
///   The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
    const int bufSize = 0x1000;
    byte[] buf = new byte[bufSize];
    int bytesRead = 0;
    while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
        target.Write(buf, 0, bytesRead);
}// end:CopyStream()
'  -------------------------- CreatePackage --------------------------
''' <summary>
'''   Creates a package zip file containing specified
'''   content and resource files.</summary>
Private Shared Sub CreatePackage()
    ' Convert system path and file names to Part URIs. In this example
    ' Dim partUriDocument as Uri /* /Content/Document.xml */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Content\Document.xml", UriKind.Relative))
    ' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Resources\Image1.jpg", UriKind.Relative))
    Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
    Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))

    ' Create the Package
    ' (If the package file already exists, FileMode.Create will
    '  automatically delete it first before creating a new one.
    '  The 'using' statement insures that 'package' is
    '  closed and disposed when it goes out of scope.)
    Using package As Package = Package.Open(packagePath, FileMode.Create)
        ' Add the Document part to the Package
        Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)

        ' Copy the data to the Document Part
        Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartDocument.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)

        ' Add a Resource Part to the Package
        Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)

        ' Copy the data to the Resource Part
        Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartResource.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)

    End Using ' end:using (Package package) - Close and dispose package.

End Sub


'  --------------------------- CopyStream ---------------------------
''' <summary>
'''   Copies data from a source stream to a target stream.</summary>
''' <param name="source">
'''   The source stream to copy from.</param>
''' <param name="target">
'''   The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
    Const bufSize As Integer = &H1000
    Dim buf(bufSize - 1) As Byte
    Dim bytesRead As Integer = 0
    bytesRead = source.Read(buf, 0, bufSize)
    Do While bytesRead > 0
        target.Write(buf, 0, bytesRead)
        bytesRead = source.Read(buf, 0, bufSize)
    Loop
End Sub

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Esse método de Open abre o pacote com atributos padrão ReadWrite e None (para especificar atributos diferentes, use uma das outras sobrecargas de métodos abertos).This Open method opens the package with default attributes ReadWrite and None (to specify different attributes use one of the other Open method overloads).

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(Stream, FileMode, FileAccess)

Abre um pacote com um fluxo de E/S, um modo de arquivo e uma configuração de acesso a arquivos especificados.Opens a package with a given IO stream, file mode, and file access setting.

public:
 static System::IO::Packaging::Package ^ Open(System::IO::Stream ^ stream, System::IO::FileMode packageMode, System::IO::FileAccess packageAccess);
public static System.IO.Packaging.Package Open (System.IO.Stream stream, System.IO.FileMode packageMode, System.IO.FileAccess packageAccess);
static member Open : System.IO.Stream * System.IO.FileMode * System.IO.FileAccess -> System.IO.Packaging.Package

Parâmetros

stream
Stream

O fluxo de E/S no qual abrir o pacote.The IO stream on which to open the package.

packageMode
FileMode

O modo de arquivo no qual o pacote é aberto.The file mode in which to open the package.

packageAccess
FileAccess

O acesso ao arquivo no qual o pacote é aberto.The file access in which to open the package.

Retornos

O pacote aberto.The opened package.

Exceções

stream é null.stream is null.

O valor de packageMode ou packageAccess não é válido.The value for packageMode or packageAccess is not valid.

O pacote a ser aberto exige a permissão de leitura ou leitura/gravação e o stream especificado é somente gravação ou o pacote a ser aberto exige a permissão de gravação ou leitura/gravação e o stream especificado é somente leitura.The package to open requires read or read/write permission and the specified stream is write-only; or the package to open requires write or read/write permission and the specified stream is read-only.

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(String, FileMode, FileAccess)

Abre um pacote em um determinado caminho usando um dado modo de arquivo e uma configuração de acesso ao arquivo.Opens a package at a given path using a given file mode and file access setting.

public:
 static System::IO::Packaging::Package ^ Open(System::String ^ path, System::IO::FileMode packageMode, System::IO::FileAccess packageAccess);
public static System.IO.Packaging.Package Open (string path, System.IO.FileMode packageMode, System.IO.FileAccess packageAccess);
static member Open : string * System.IO.FileMode * System.IO.FileAccess -> System.IO.Packaging.Package
Public Shared Function Open (path As String, packageMode As FileMode, packageAccess As FileAccess) As Package

Parâmetros

path
String

O caminho e o nome de arquivo do pacote.The path and file name of the package.

packageMode
FileMode

O modo de arquivo no qual o pacote é aberto.The file mode in which to open the package.

packageAccess
FileAccess

O acesso ao arquivo no qual o pacote é aberto.The file access in which to open the package.

Retornos

O pacote aberto.The opened package.

Exceções

path é null.path is null.

O valor de packageMode ou packageAccess não é válido.Value for packageMode or packageAccess is not valid.

Exemplos

O exemplo a seguir mostra como abrir e ler um Package que contém PackageRelationship e PackagePart elementos junto com os dados armazenados.The following example shows how to open and read a Package that contains PackageRelationship and PackagePart elements together with stored data. Para obter o exemplo completo, consulte lendo um exemplo de pacote.For the complete sample, see Reading a Package Sample.

// Open the Package.
// ('using' statement insures that 'package' is
//  closed and disposed when it goes out of scope.)
using (Package package =
    Package.Open(packagePath, FileMode.Open, FileAccess.Read))
{
    PackagePart documentPart = null;
    PackagePart resourcePart = null;

    // Get the Package Relationships and look for
    //   the Document part based on the RelationshipType
    Uri uriDocumentTarget = null;
    foreach (PackageRelationship relationship in
        package.GetRelationshipsByType(PackageRelationshipType))
    {
        // Resolve the Relationship Target Uri
        //   so the Document Part can be retrieved.
        uriDocumentTarget = PackUriHelper.ResolvePartUri(
            new Uri("/", UriKind.Relative), relationship.TargetUri);

        // Open the Document Part, write the contents to a file.
        documentPart = package.GetPart(uriDocumentTarget);
        ExtractPart(documentPart, targetDirectory);
    }

    // Get the Document part's Relationships,
    //   and look for required resources.
    Uri uriResourceTarget = null;
    foreach (PackageRelationship relationship in
        documentPart.GetRelationshipsByType(
                                ResourceRelationshipType))
    {
        // Resolve the Relationship Target Uri
        //   so the Resource Part can be retrieved.
        uriResourceTarget = PackUriHelper.ResolvePartUri(
            documentPart.Uri, relationship.TargetUri);

        // Open the Resource Part and write the contents to a file.
        resourcePart = package.GetPart(uriResourceTarget);
        ExtractPart(resourcePart, targetDirectory);
    }

}// end:using(Package package) - Close & dispose package.
' Open the Package.
' ('using' statement insures that 'package' is
'  closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Open, FileAccess.Read)
    Dim documentPart As PackagePart = Nothing
    Dim resourcePart As PackagePart = Nothing

    ' Get the Package Relationships and look for
    '   the Document part based on the RelationshipType
    Dim uriDocumentTarget As Uri = Nothing
    For Each relationship As PackageRelationship In package.GetRelationshipsByType(PackageRelationshipType)
        ' Resolve the Relationship Target Uri
        '   so the Document Part can be retrieved.
        uriDocumentTarget = PackUriHelper.ResolvePartUri(New Uri("/", UriKind.Relative), relationship.TargetUri)

        ' Open the Document Part, write the contents to a file.
        documentPart = package.GetPart(uriDocumentTarget)
        ExtractPart(documentPart, targetDirectory)
    Next relationship

    ' Get the Document part's Relationships,
    '   and look for required resources.
    Dim uriResourceTarget As Uri = Nothing
    For Each relationship As PackageRelationship In documentPart.GetRelationshipsByType(ResourceRelationshipType)
        ' Resolve the Relationship Target Uri
        '   so the Resource Part can be retrieved.
        uriResourceTarget = PackUriHelper.ResolvePartUri(documentPart.Uri, relationship.TargetUri)

        ' Open the Resource Part and write the contents to a file.
        resourcePart = package.GetPart(uriResourceTarget)
        ExtractPart(resourcePart, targetDirectory)
    Next relationship

End Using ' end:using(Package package) - Close & dispose package.

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Esse método de Open abre o pacote com um atributo de None padrão (para especificar um atributo diferente, use a sobrecarga do método Open).This Open method opens the package with a default None attribute (to specify a different attribute use the Open method overload).

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Open(String, FileMode, FileAccess, FileShare)

Abre um pacote em um determinado caminho usando um dado modo de arquivo, acesso a arquivos e configurações de compartilhamento de arquivos.Opens a package at a given path using a given file mode, file access, and file share setting.

public:
 static System::IO::Packaging::Package ^ Open(System::String ^ path, System::IO::FileMode packageMode, System::IO::FileAccess packageAccess, System::IO::FileShare packageShare);
public static System.IO.Packaging.Package Open (string path, System.IO.FileMode packageMode, System.IO.FileAccess packageAccess, System.IO.FileShare packageShare);
static member Open : string * System.IO.FileMode * System.IO.FileAccess * System.IO.FileShare -> System.IO.Packaging.Package
Public Shared Function Open (path As String, packageMode As FileMode, packageAccess As FileAccess, packageShare As FileShare) As Package

Parâmetros

path
String

O caminho e o nome de arquivo do pacote.The path and file name of the package.

packageMode
FileMode

O modo de arquivo no qual o pacote é aberto.The file mode in which to open the package.

packageAccess
FileAccess

O acesso ao arquivo no qual o pacote é aberto.The file access in which to open the package.

packageShare
FileShare

O modo de compartilhamento de arquivo no qual abrir o pacote.The file sharing mode in which to open the package.

Retornos

O pacote aberto.The opened package.

Exceções

path é null.path is null.

O valor para packageMode, packageAccess ou packageShare não é válido.The value for packageMode, packageAccess, or packageShare is not valid.

Exemplos

O exemplo a seguir mostra como criar um novo Package que incorpora os elementos PackageRelationship e PackagePart junto com os dados armazenados.The following example shows how to create a new Package that incorporates PackageRelationship and PackagePart elements together with stored data. Para obter o exemplo completo, consulte escrevendo um exemplo de pacote.For the complete sample, see Writing a Package Sample.

//  -------------------------- CreatePackage --------------------------
/// <summary>
///   Creates a package zip file containing specified
///   content and resource files.</summary>
private static void CreatePackage()
{
    // Convert system path and file names to Part URIs. In this example
    // Uri partUriDocument /* /Content/Document.xml */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Content\Document.xml", UriKind.Relative));
    // Uri partUriResource /* /Resources/Image1.jpg */ =
    //     PackUriHelper.CreatePartUri(
    //         new Uri("Resources\Image1.jpg", UriKind.Relative));
    Uri partUriDocument = PackUriHelper.CreatePartUri(
                              new Uri(documentPath, UriKind.Relative));
    Uri partUriResource = PackUriHelper.CreatePartUri(
                              new Uri(resourcePath, UriKind.Relative));

    // Create the Package
    // (If the package file already exists, FileMode.Create will
    //  automatically delete it first before creating a new one.
    //  The 'using' statement insures that 'package' is
    //  closed and disposed when it goes out of scope.)
    using (Package package =
        Package.Open(packagePath, FileMode.Create))
    {
        // Add the Document part to the Package
        PackagePart packagePartDocument =
            package.CreatePart(partUriDocument,
                           System.Net.Mime.MediaTypeNames.Text.Xml);

        // Copy the data to the Document Part
        using (FileStream fileStream = new FileStream(
               documentPath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartDocument.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri,
                                   TargetMode.Internal,
                                   PackageRelationshipType);

        // Add a Resource Part to the Package
        PackagePart packagePartResource =
            package.CreatePart(partUriResource,
                           System.Net.Mime.MediaTypeNames.Image.Jpeg);

        // Copy the data to the Resource Part
        using (FileStream fileStream = new FileStream(
               resourcePath, FileMode.Open, FileAccess.Read))
        {
            CopyStream(fileStream, packagePartResource.GetStream());
        }// end:using(fileStream) - Close and dispose fileStream.

        // Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(
                                new Uri(@"../resources/image1.jpg",
                                UriKind.Relative),
                                TargetMode.Internal,
                                ResourceRelationshipType);

    }// end:using (Package package) - Close and dispose package.

}// end:CreatePackage()

//  --------------------------- CopyStream ---------------------------
/// <summary>
///   Copies data from a source stream to a target stream.</summary>
/// <param name="source">
///   The source stream to copy from.</param>
/// <param name="target">
///   The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
    const int bufSize = 0x1000;
    byte[] buf = new byte[bufSize];
    int bytesRead = 0;
    while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
        target.Write(buf, 0, bytesRead);
}// end:CopyStream()
'  -------------------------- CreatePackage --------------------------
''' <summary>
'''   Creates a package zip file containing specified
'''   content and resource files.</summary>
Private Shared Sub CreatePackage()
    ' Convert system path and file names to Part URIs. In this example
    ' Dim partUriDocument as Uri /* /Content/Document.xml */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Content\Document.xml", UriKind.Relative))
    ' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
    '     PackUriHelper.CreatePartUri(
    '         New Uri("Resources\Image1.jpg", UriKind.Relative))
    Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
    Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))

    ' Create the Package
    ' (If the package file already exists, FileMode.Create will
    '  automatically delete it first before creating a new one.
    '  The 'using' statement insures that 'package' is
    '  closed and disposed when it goes out of scope.)
    Using package As Package = Package.Open(packagePath, FileMode.Create)
        ' Add the Document part to the Package
        Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)

        ' Copy the data to the Document Part
        Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartDocument.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add a Package Relationship to the Document Part
        package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)

        ' Add a Resource Part to the Package
        Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)

        ' Copy the data to the Resource Part
        Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
            CopyStream(fileStream, packagePartResource.GetStream())
        End Using ' end:using(fileStream) - Close and dispose fileStream.

        ' Add Relationship from the Document part to the Resource part
        packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)

    End Using ' end:using (Package package) - Close and dispose package.

End Sub


'  --------------------------- CopyStream ---------------------------
''' <summary>
'''   Copies data from a source stream to a target stream.</summary>
''' <param name="source">
'''   The source stream to copy from.</param>
''' <param name="target">
'''   The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
    Const bufSize As Integer = &H1000
    Dim buf(bufSize - 1) As Byte
    Dim bytesRead As Integer = 0
    bytesRead = source.Read(buf, 0, bufSize)
    Do While bytesRead > 0
        target.Write(buf, 0, bytesRead)
        bytesRead = source.Read(buf, 0, bufSize)
    Loop
End Sub

Comentários

ZipPackage é o tipo de pacote padrão usado pelo método Open.ZipPackage is the default package type that is used by the Open method.

Para obter informações adicionais, consulte Especificação do OPC (Open Packaging Conventions) disponível para download em https://go.microsoft.com/fwlink/?LinkID=71255.For additional information, see the Open Packaging Conventions (OPC) specification available for download at https://go.microsoft.com/fwlink/?LinkID=71255.

Aplica-se a