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我想使用的WndProc钩摆脱Win32 API的消息后,获取鼠标线..WndProc钩lParam到xy线?
下面是我的代码..它不长,应该很容易理解.. 我学习所有这一切,因为我去,只是无法弄清楚如何改变的lParam以点x和y ..
任何帮助将是很好,谢谢:)
private const int WM_LEFTBUTTONDOWN = 0x0201;
private const int WM_LEFTBUTTONUP = 0x0202;
private const int WM_MOUSEMOVE = 0x0200;
private const int WM_MOUSEWHEEL = 0x020A;
private const int WM_RIGHTBUTTONDOWN = 0x0204;
private const int WM_RIGHTBUTTONUP = 0x0205;
public MainWindow()
{
InitializeComponent();
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
HwndSource source = PresentationSource.FromVisual(this) as HwndSource;
source.AddHook(WndProc);
}
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == WM_MOUSEMOVE)
{
label1.Content = "Msg: " + msg + " wParam: " + wParam + " lParam: " + lParam;
}
return IntPtr.Zero;
}
谢谢!,这个作品完美:) – 2012-03-17 09:31:53