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2013-7-22判断键盘上某键抬起按下状态

[DllImport("user32.dll", CharSet = CharSet.Auto)]

public static extern short GetAsyncKeyState(int nVirtKey);

 

if (GetAsyncKeyState(40) < 0) //40为下箭头对应键asc码

{

}

2013-7-22判断键盘上某键抬起按下状态