title: WndProc Hook lParam to xy cords?
body: <p>I am trying to get the mouse cords after using a WndProc hook to get messages from Win32 API..</p>
  
  <p>Below is my code.. Its not long, and should be easy enough to understand..
  I am learning all this as I go and just can't figure out how to change the lParam to points x and y..</p>
  
  <p>Any help would be nice, Thanks :)</p>
  
  <pre><code>    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;
      }
  </code></pre>