Uri.IsFile 屬性

定義

取得表示指定的 Uri 是否為檔案 URI 的值。Gets a value indicating whether the specified Uri is a file URI.

public:
 property bool IsFile { bool get(); };
public bool IsFile { get; }
member this.IsFile : bool
Public ReadOnly Property IsFile As Boolean

屬性值

Boolean

如果 Boolean 是檔案 URI,則 true 值為 Uri,否則為 falseA Boolean value that is true if the Uri is a file URI; otherwise, false.

例外狀況

這個執行個體代表相對的 URI,而這個屬性只適用於絕對 URI。This instance represents a relative URI, and this property is valid only for absolute URIs.

範例

下列範例會建立 Uri 實例,並判斷它是否為檔案 URI。The following example creates a Uri instance and determines whether it is a file URI.

Uri^ uriAddress2 = gcnew Uri( "file://server/filename.ext" );
Console::WriteLine( uriAddress2->LocalPath );
Console::WriteLine( "Uri {0} a UNC path", uriAddress2->IsUnc ? (String^)"is" : "is not" );
Console::WriteLine( "Uri {0} a local host", uriAddress2->IsLoopback ? (String^)"is" : "is not" );
Console::WriteLine( "Uri {0} a file", uriAddress2->IsFile ? (String^)"is" : "is not" );
// The example displays the following output:
//    \\server\filename.ext
//    Uri is a UNC path
//    Uri is not a local host
//    Uri is a file
Uri uriAddress2 =  new Uri("file://server/filename.ext");
Console.WriteLine(uriAddress2.LocalPath);
Console.WriteLine("Uri {0} a UNC path", uriAddress2.IsUnc ? "is" : "is not");
Console.WriteLine("Uri {0} a local host", uriAddress2.IsLoopback ? "is" : "is not");
Console.WriteLine("Uri {0} a file", uriAddress2.IsFile ? "is" : "is not");
// The example displays the following output:
//    \\server\filename.ext
//    Uri is a UNC path
//    Uri is not a local host
//    Uri is a file
Dim uriAddress2 As New Uri("file://server/filename.ext")
Console.WriteLine(uriAddress2.LocalPath)
Console.WriteLine("Uri {0} a UNC path", IIf(uriAddress2.IsUnc, "is", "is not")) 'TODO: For performance reasons this should be changed to nested IF statements
Console.WriteLine("Uri {0} a local host", IIf(uriAddress2.IsLoopback, "is", "is not")) 'TODO: For performance reasons this should be changed to nested IF statements
Console.WriteLine("Uri {0} a file", IIf(uriAddress2.IsFile, "is", "is not")) 'TODO: For performance reasons this should be changed to nested IF statements
' The example displays the following output:
'    \\server\filename.ext
'    Uri is a UNC path
'    Uri is not a local host
'    Uri is a file

備註

Scheme 屬性等於 UriSchemeFile時,IsFile 屬性會 trueThe IsFile property is true when the Scheme property equals UriSchemeFile.

適用於