ImageSourceConverter.ConvertFrom 方法

定義

命名空間:

System.Windows.Media

組件:

PresentationCore.dll

嘗試將指定的物件轉換為 ImageSource 的執行個體。

public:
 override System::Object ^ ConvertFrom(System::ComponentModel::ITypeDescriptorContext ^ context, System::Globalization::CultureInfo ^ culture, System::Object ^ value);

[System.Security.SecurityCritical]
[System.Security.SecurityTreatAsSafe]
public override object ConvertFrom (System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value);

public override object ConvertFrom (System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value);

[<System.Security.SecurityCritical>]
[<System.Security.SecurityTreatAsSafe>]
override this.ConvertFrom : System.ComponentModel.ITypeDescriptorContext * System.Globalization.CultureInfo * obj -> obj

override this.ConvertFrom : System.ComponentModel.ITypeDescriptorContext * System.Globalization.CultureInfo * obj -> obj

Public Overrides Function ConvertFrom (context As ITypeDescriptorContext, culture As CultureInfo, value As Object) As Object

參數

context

ITypeDescriptorContext

用於轉換的型別內容資訊。

culture

CultureInfo

轉換期間遵守的文化特性資訊。

value

Object

要轉換的物件。

傳回

Object

ImageSource 的新執行個體。

屬性

SecurityCriticalAttribute SecurityTreatAsSafeAttribute

例外狀況

NotSupportedException

value 為 null 或無效的型別。