如何在timertick中使用MouseEventArgs [英] How use MouseEventArgs in timertick

问题描述

private void timer1_Tick(object sender, EventArgs e){

       MouseEventArgs m=e as MouseEventArgs;
        if (m.Button == MouseButtons.Right)
        {
            MessageBox.Show("dfgdf");
        }
}

它不工作怎么办？

It dont work How can I do it ?

推荐答案

不，它不会工作。

EventArgs类不是MouseEventArrgs类的示例，而是反过来：MouseEventArgs派生自EventArgs。所以你可以把一个MouseEventArgs转换成一个EventArgs，但是你不能走另一条路，因为计算机无法发明所需的信息。



相反，使用控件.MouseButtons属性：

No, it won''t work.
The EventArgs class is not an example of a MouseEventArrgs class, rather the other way round: MouseEventArgs derives from EventArgs. So you can cast a MouseEventArgs ro an EventArgs, but you can''t go the other way because the computer cannot invent the required information.

Instead, use the Control.MouseButtons property:

MouseButtons mb = MouseButtons;
if (mb == MouseButtons.Right)
    {
    Console.WriteLine(mb);
    }

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