有没有办法检查鼠标何时位于标准窗口控制按钮上方(关闭、最小化等)? [英] Is there a way to check when mouse is above standard window control buttons (close, minimize etc)?

问题描述

当鼠标位于标准窗口控件之一(关闭、最小化、最大化)上方时，我想运行一个方法.我该怎么做?

I'd like to run a method when mouse is above one of the standard window controls (close, minimize, maximize). How do I do that?

推荐答案

你可以使用这个:

internal const int WM_NCMOUSEMOVE = 0x00A0;

protected override void WndProc(ref Message m)
{
    if (m.Msg == WM_NCMOUSEMOVE)
    {
        if ((int)m.WParam == 0x8)
            Console.WriteLine("Mouse over on Minimize button");

        if ((int)m.WParam == 0x9)
            Console.WriteLine("Mouse over on Maximize button");

        if ((int)m.WParam == 0x14)
            Console.WriteLine("Mouse over on Close button");
    }

    base.WndProc(ref m);
}

只需将其放入表单代码中即可.

just put it in your form's code.

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