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CompositionScopeDefinition.Changing 事件

定義

正在變更基礎目錄時發生 (如果該目錄支援通知)。

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

事件類型

實作

適用於