SplitContainer.BackgroundImageChanged SplitContainer.BackgroundImageChanged SplitContainer.BackgroundImageChanged SplitContainer.BackgroundImageChanged Event


BackgroundImage 属性更改时发生。Occurs when the BackgroundImage property changes.

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


下面的代码示例演示如何使用此成员。The following code example demonstrates the use of this member. 在此示例中, 事件处理程序报告BackgroundImageChanged事件的发生。In the example, an event handler reports on the occurrence of the BackgroundImageChanged event. 此报表可帮助你了解何时发生事件, 并可帮助你进行调试。This report helps you to learn when the event occurs and can assist you in debugging. 若要报告多个事件或频繁发生的事件, 请考虑MessageBox.ShowConsole.WriteLine消息替换为多行或将TextBox其追加到多行。To report on multiple events or on events that occur frequently, consider replacing MessageBox.Show with Console.WriteLine or appending the message to a multiline TextBox.

若要运行示例代码, 请将其粘贴到包含名为SplitContainer SplitContainer1的类型的实例的项目中。To run the example code, paste it into a project that contains an instance of type SplitContainer named SplitContainer1. 然后, 确保事件处理程序与BackgroundImageChanged事件相关联。Then ensure that the event handler is associated with the BackgroundImageChanged event.

private void SplitContainer1_BackgroundImageChanged(Object sender, EventArgs e) {

   MessageBox.Show("You are in the SplitContainer.BackgroundImageChanged event.");

Private Sub SplitContainer1_BackgroundImageChanged(sender as Object, e as EventArgs) _ 
     Handles SplitContainer1.BackgroundImageChanged

   MessageBox.Show("You are in the SplitContainer.BackgroundImageChanged event.")

End Sub


如果编程修改或用户交互BackgroundImage更改了属性,则会引发此事件。This event is raised if the BackgroundImage property is changed by either a programmatic modification or user interaction.

有关处理事件的详细信息, 请参阅处理和引发事件For more information about handling events, see Handling and Raising Events.