PictureBoxArray.HelpRequested 事件


發生於使用者要求控制項的說明時。Occurs when the user requests help for a control.

 event System::Windows::Forms::HelpEventHandler ^ HelpRequested;
public event System.Windows.Forms.HelpEventHandler HelpRequested;
member this.HelpRequested : System.Windows.Forms.HelpEventHandler 
Public Custom Event HelpRequested As HelpEventHandler 
Public Event HelpRequested As HelpEventHandler 


當使用者按下 F1 鍵或按一下相關聯的內容相關説明按鈕時,通常會引發 HelpRequested 事件。The HelpRequested event is typically raised when the user presses the F1 key or an associated context-sensitive Help button is clicked.

如需如何處理事件的詳細資訊,請參閱處理和引發事件For more information about how to handle events, see Handling and Raising Events.


Microsoft.VisualBasic.Compatibility.VB6 命名空間中的函式和物件都是供這些工具使用,以便從 Visual Basic 6.0 升級至 Visual Basic。Functions and objects in the Microsoft.VisualBasic.Compatibility.VB6 namespace are provided for use by the tools for upgrading from Visual Basic 6.0 to Visual Basic. 在大多數情況下,這些函式和物件會複製在 .NET Framework.NET Framework 的其他命名空間中可以找到的功能。In most cases, these functions and objects duplicate functionality that you can find in other namespaces in the .NET Framework.NET Framework. 只有當 Visual Basic 6.0 程式碼模型與 .NET Framework.NET Framework 實作有顯著差異時,才需要這些項目。They are necessary only when the Visual Basic 6.0 code model differs significantly from the .NET Framework.NET Framework implementation.