ToolStripControlHost.LostFocus 事件


發生於裝載控制項失去焦點時。Occurs when the hosted control loses focus.

 event EventHandler ^ LostFocus;
public event EventHandler LostFocus;
member this.LostFocus : EventHandler 
Public Custom Event LostFocus As EventHandler 


下列程式碼範例示範如何使用這個成員。The following code example demonstrates the use of this member. 在此範例中,事件處理常式會報告 LostFocus 事件的發生。In the example, an event handler reports on the occurrence of the LostFocus event. 此報表可協助您瞭解事件發生的時間,並可協助您進行調試。This report helps you to learn when the event occurs and can assist you in debugging.

若要執行範例程式碼,請將它貼入專案,其中包含名為 ToolStripControlHost1ToolStripControlHost 類型的實例。To run the example code, paste it into a project that contains an instance of type ToolStripControlHost named ToolStripControlHost1. 然後確定事件處理常式與 LostFocus 事件相關聯。Then ensure that the event handler is associated with the LostFocus event.

private void ToolStripControlHost1_LostFocus(Object sender, EventArgs e) {

   MessageBox.Show("You are in the ToolStripControlHost.LostFocus event.");
Private Sub ToolStripControlHost1_LostFocus(sender as Object, e as EventArgs) _ 
     Handles ToolStripControlHost1.LostFocus

Console.WriteLine("You are in the ToolStripControlHost.LostFocus event.")

End Sub


如需處理事件的詳細資訊,請參閱處理和引發事件For more information about handling events, see Handling and Raising Events.