Control.SystemColorsChanged Control.SystemColorsChanged Control.SystemColorsChanged Control.SystemColorsChanged Event

定义

系统颜色更改时发生。Occurs when the system colors change.

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

示例

下面的代码示例演示如何将此成员。The following code example demonstrates the use of this member. 在示例中,事件处理程序报告的匹配项SystemColorsChanged事件。In the example, an event handler reports on the occurrence of the SystemColorsChanged event. 此报告可帮助您了解事件发生的并可以帮助您进行调试。This report helps you to learn when the event occurs and can assist you in debugging. 若要报告或频繁发生的事件上多个事件,请考虑更换MessageBox.ShowConsole.WriteLine或将消息附加到多行TextBoxTo 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.

若要运行此代码示例,请将其粘贴到包含继承的类型的实例的项目Control,如ButtonComboBoxTo run the example code, paste it into a project that contains an instance of a type that inherits from Control, such as a Button or ComboBox. 然后该实例命名Control1,并确保事件处理程序相关联SystemColorsChanged事件。Then name the instance Control1 and ensure that the event handler is associated with the SystemColorsChanged event.

private void Control1_SystemColorsChanged(Object sender, EventArgs e) {

   MessageBox.Show("You are in the Control.SystemColorsChanged event.");

}
Private Sub Control1_SystemColorsChanged(sender as Object, e as EventArgs) _ 
     Handles Control1.SystemColorsChanged

   MessageBox.Show("You are in the Control.SystemColorsChanged event.")

End Sub

注解

如果引发此事件SystemColors更改通过以编程方式修改或用户交互。This event is raised if the SystemColors 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.

适用于

另请参阅