ComponentChangedEventArgs(Object, MemberDescriptor, Object, Object) 构造函数

定义

命名空间:

System.ComponentModel.Design

程序集:

System.ComponentModel.TypeConverter.dll

Source:

ComponentChangedEventArgs.cs

初始化 ComponentChangedEventArgs 类的新实例。

public:
 ComponentChangedEventArgs(System::Object ^ component, System::ComponentModel::MemberDescriptor ^ member, System::Object ^ oldValue, System::Object ^ newValue);

public ComponentChangedEventArgs (object? component, System.ComponentModel.MemberDescriptor? member, object? oldValue, object? newValue);

new System.ComponentModel.Design.ComponentChangedEventArgs : obj * System.ComponentModel.MemberDescriptor * obj * obj -> System.ComponentModel.Design.ComponentChangedEventArgs

Public Sub New (component As Object, member As MemberDescriptor, oldValue As Object, newValue As Object)

参数

component

Object

已更改的组件。

member

MemberDescriptor

表示已更改的成员的 MemberDescriptor。

oldValue

Object

已更改成员的旧值。

newValue

Object

已更改成员的新值。

注解

组件的设计器在更改组件的属性后调用此构造函数。 这可确保属性窗口将显示属性的更新值。

另请参阅

• ComponentChanged
• ComponentChangedEventHandler