INotifyComposablePartCatalogChanged.Changing 事件

定义

在更改 ComposablePartCatalog 时发生。

public:
 event EventHandler<System::ComponentModel::Composition::Hosting::ComposablePartCatalogChangeEventArgs ^> ^ Changing;
event EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs> Changing;
event EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changing;
member this.Changing : EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs> 
Event Changing As EventHandler(Of ComposablePartCatalogChangeEventArgs) 

事件类型

适用于