Control.MouseClick 事件
定义
用鼠标单击控件时发生。Occurs when the control is clicked by the mouse.
public:
event System::Windows::Forms::MouseEventHandler ^ MouseClick;public event System.Windows.Forms.MouseEventHandler MouseClick;member this.MouseClick : System.Windows.Forms.MouseEventHandler Public Custom Event MouseClick As MouseEventHandler 示例
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 MouseClick 事件的发生。In the example, an event handler reports on the occurrence of the MouseClick 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，请考虑将 MessageBox.Show 替换为 Console.WriteLine 或将消息附加到多行 TextBox中。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，请将其粘贴到一个项目中，该项目包含继承自 Control的类型的实例，如 Button 或 ComboBox。To 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，将该实例命名为 Control1 并确保事件处理程序与 MouseClick 事件关联。Then name the instance Control1 and ensure that the event handler is associated with the MouseClick event.
private void Control1_MouseClick(Object sender, MouseEventArgs e) {
System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "Button", e.Button );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Clicks", e.Clicks );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "X", e.X );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Y", e.Y );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Delta", e.Delta );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Location", e.Location );
messageBoxCS.AppendLine();
MessageBox.Show(messageBoxCS.ToString(), "MouseClick Event" );
}
Private Sub Control1_MouseClick(sender as Object, e as MouseEventArgs) _
Handles Control1.MouseClick
Dim messageBoxVB as New System.Text.StringBuilder()
messageBoxVB.AppendFormat("{0} = {1}", "Button", e.Button)
messageBoxVB.AppendLine()
messageBoxVB.AppendFormat("{0} = {1}", "Clicks", e.Clicks)
messageBoxVB.AppendLine()
messageBoxVB.AppendFormat("{0} = {1}", "X", e.X)
messageBoxVB.AppendLine()
messageBoxVB.AppendFormat("{0} = {1}", "Y", e.Y)
messageBoxVB.AppendLine()
messageBoxVB.AppendFormat("{0} = {1}", "Delta", e.Delta)
messageBoxVB.AppendLine()
messageBoxVB.AppendFormat("{0} = {1}", "Location", e.Location)
messageBoxVB.AppendLine()
MessageBox.Show(messageBoxVB.ToString(),"MouseClick Event")
End Sub
注解
当光标位于控件上方时，按下鼠标按钮通常会引发控件中的以下一系列事件：Depressing a mouse button when the cursor is over a control typically raises the following series of events from the control:
MouseClick 事件。MouseClick event.
为此，不能在控件的类中禁用各种事件。For this to occur, the various events cannot be disabled in the control's class.
按用户操作系统的鼠标设置所确定，两次单击就会足够长时间关闭，这将生成一个 MouseDoubleClick 事件，而不是第二个 MouseClick 事件。Two single clicks that occur close enough in time, as determined by the mouse settings of the user's operating system, will generate a MouseDoubleClick event instead of the second MouseClick event.
重要
Click 事件是控件的逻辑上更高的事件。Click events are logically higher-level events of a control. 它们通常由其他操作引发，例如当控件具有焦点时按 ENTER 键。They are often raised by other actions, such as pressing the ENTER key when the control has focus.
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.