DependencyObject.GetValue(DependencyProperty) Metodo

Definizione

Spazio dei nomi:

System.Workflow.ComponentModel

Assembly:

System.Workflow.ComponentModel.dll

Fornisce l’accesso al valore della classe DependencyProperty designata.

public:
 System::Object ^ GetValue(System::Workflow::ComponentModel::DependencyProperty ^ dependencyProperty);

public object GetValue (System.Workflow.ComponentModel.DependencyProperty dependencyProperty);

member this.GetValue : System.Workflow.ComponentModel.DependencyProperty -> obj

Public Function GetValue (dependencyProperty As DependencyProperty) As Object

Parametri

dependencyProperty

DependencyProperty

Oggetto DependencyProperty.

Restituisce

Object

Oggetto che rappresenta il valore dell'oggetto DependencyProperty designato.

Esempio

Nel codice riportato di seguito viene illustrato come utilizzare la classe GetValue per restituire il valore rappresentato da una proprietà di dipendenza designata nel contesto get and set. Questo esempio di codice fa parte dell'esempio Send Email SDK e proviene dal file SendMailActivity.cs. Per altre informazioni, vedere Send Email Activity Sample .For more information, see Send Email Activity Sample.

public string To
{
    get
    {
        return ((string)(base.GetValue(SendEmailActivity.ToProperty)));
    }
    set
    {
        base.SetValue(SendEmailActivity.ToProperty, value);
    }
}

[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
[BrowsableAttribute(true)]
[DescriptionAttribute("The Subject property is used to specify the subject of the Email message.")]
[CategoryAttribute(MessagePropertiesCategory)]
public string Subject
{
    get
    {
        return ((string)(base.GetValue(SendEmailActivity.SubjectProperty)));
    }
    set
    {
        base.SetValue(SendEmailActivity.SubjectProperty, value);
    }
}

[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
[BrowsableAttribute(true)]
[DescriptionAttribute("The From property is used to specify the From (Sender's) address for the email mesage.")]
[CategoryAttribute(MessagePropertiesCategory)]
public string From
{
    get
    {
        return ((string)(base.GetValue(SendEmailActivity.FromProperty)));
    }
    set
    {
        base.SetValue(SendEmailActivity.FromProperty, value);
    }
}

<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
<DescriptionAttribute("The To property is used to specify the receipient's email address.")> _
<CategoryAttribute(MessagePropertiesCategory)> _
Public Property EmailTo() As String
    Get
        Return CType(MyBase.GetValue(SendEmailActivity.ToProperty), String)
    End Get
    Set(ByVal value As String)
        MyBase.SetValue(SendEmailActivity.ToProperty, value)
    End Set
End Property

<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
<DescriptionAttribute("The Subject property is used to specify the subject of the Email message.")> _
<CategoryAttribute(MessagePropertiesCategory)> _
Public Property Subject() As String
    Get
        Return CType(MyBase.GetValue(SendEmailActivity.SubjectProperty), String)
    End Get
    Set(ByVal value As String)
        MyBase.SetValue(SendEmailActivity.SubjectProperty, value)
    End Set
End Property


<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
<DescriptionAttribute("The From property is used to specify the From (Sender's) address for the email mesage.")> _
<CategoryAttribute(MessagePropertiesCategory)> _
Public Property FromEmail() As String
    Get
        Return CType(MyBase.GetValue(SendEmailActivity.FromEmailProperty), String)
    End Get
    Set(ByVal value As String)
        MyBase.SetValue(SendEmailActivity.FromEmailProperty, value)
    End Set
End Property

Commenti

In genere, questo membro viene utilizzato al momento di ottenere le proprietà da aggiungere al valore di dipendenza designato.