ImageSourceConverter.ConvertFrom 方法

定义

命名空间:

System.Windows.Media

程序集:

PresentationCore.dll

试图将指定对象转换为 ImageSource 实例。

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

参数

context

ITypeDescriptorContext

键入用于转换的上下文信息。

culture

CultureInfo

转换过程中需要考虑的区域性信息。

value

Object

要转换的对象。

返回

Object

ImageSource 的新实例。

属性

SecurityCriticalAttribute SecurityTreatAsSafeAttribute

例外

NotSupportedException

value 为 null 或者是无效类型。