ImageConverter.ConvertFrom 方法

  • 参考

定义

命名空间:
System.Drawing
程序集:
System.Windows.Extensions.dll
程序集:
System.Drawing.Common.dll
程序集:
System.Drawing.dll
包:
System.Drawing.Common v6.0.0
包:
System.Drawing.Common v7.0.0
包:
System.Drawing.Common v8.0.0
包:
System.Drawing.Common v9.0.0-preview.2.24128.3
Source:
ImageConverter.cs
Source:
ImageConverter.cs
Source:
ImageConverter.cs

将指定对象转换为 Image。

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

一个 ITypeDescriptorContext，用于提供格式上下文。

culture
CultureInfo

一个 CultureInfo，它保存有关特定区域性的信息。

value
Object

要转换的 Object。

返回

Object

如果此方法成功，它将返回通过转换指定对象创建的 Image。 否则，它将引发异常。

例外

NotSupportedException

无法完成转换。

适用于