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DependencyObject.GetValue(DependencyProperty) Método

Definição

Fornece acesso ao valor do DependencyProperty designado.

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

Parâmetros

dependencyProperty
DependencyProperty

O DependencyProperty.

Retornos

Object

O objeto que representa o valor do DependencyProperty designado.

Exemplos

O código a seguir mostra como usar GetValue para retornar o valor representado por uma propriedade de dependência nomeada no contexto de obtenção e definição. Este exemplo de código faz parte do exemplo enviar email SDK e é do arquivo SendMailActivity.cs. Para obter mais informações, consulte Enviar Exemplo de Atividade de Email.

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

Comentários

Normalmente, esse membro é usado na propriedade para fornecer o valor do valor de dependência nomeado.

Aplica-se a