/// <summary>
/// Processes Mouse Procedures
/// </summary>
/// <param name="code"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <returns></returns>
private IntPtr MouseProc(int code, IntPtr wParam, IntPtr lParam)
{
WinApi.MouseLLHookStruct hookStruct = (WinApi.MouseLLHookStruct)Marshal.PtrToStructure(lParam, typeof(WinApi.MouseLLHookStruct));
int msg = wParam.ToInt32();
int x = hookStruct.pt.x;
int y = hookStruct.pt.y;
int delta = (short)((hookStruct.mouseData >> 16) & 0xffff);
if (msg == WinApi.WM_MOUSEWHEEL)
{
OnMouseWheel(new MouseEventArgs(MouseButtons.None, 0, x, y, delta));
}
else if (msg == WinApi.WM_MOUSEMOVE)
{
OnMouseMove(new MouseEventArgs(MouseButtons.None, 0, x, y, delta));
}
else if (msg == WinApi.WM_LBUTTONDBLCLK)
{
OnMouseDoubleClick(new MouseEventArgs(MouseButtons.Left, 0, x, y, delta));
}
else if (msg == WinApi.WM_LBUTTONDOWN)
{
OnMouseDown(new MouseEventArgs(MouseButtons.Left, 0, x, y, delta));
}
else if (msg == WinApi.WM_LBUTTONUP)
{
OnMouseUp(new MouseEventArgs(MouseButtons.Left, 0, x, y, delta));
OnMouseClick(new MouseEventArgs(MouseButtons.Left, 0, x, y, delta));
}
else if (msg == WinApi.WM_MBUTTONDBLCLK)
{
OnMouseDoubleClick(new MouseEventArgs(MouseButtons.Middle, 0, x, y, delta));
}
else if (msg == WinApi.WM_MBUTTONDOWN)
{
OnMouseDown(new MouseEventArgs(MouseButtons.Middle, 0, x, y, delta));
}
else if (msg == WinApi.WM_MBUTTONUP)
{
OnMouseUp(new MouseEventArgs(MouseButtons.Middle, 0, x, y, delta));
}
else if (msg == WinApi.WM_RBUTTONDBLCLK)
{
OnMouseDoubleClick(new MouseEventArgs(MouseButtons.Right, 0, x, y, delta));
}
else if (msg == WinApi.WM_RBUTTONDOWN)
{
OnMouseDown(new MouseEventArgs(MouseButtons.Right, 0, x, y, delta));
}
else if (msg == WinApi.WM_RBUTTONUP)
{
OnMouseUp(new MouseEventArgs(MouseButtons.Right, 0, x, y, delta));
}
else if (msg == WinApi.WM_XBUTTONDBLCLK)
{
OnMouseDoubleClick(new MouseEventArgs(MouseButtons.XButton1, 0, x, y, delta));
}
else if (msg == WinApi.WM_XBUTTONDOWN)
{
OnMouseDown(new MouseEventArgs(MouseButtons.XButton1, 0, x, y, delta));
}
else if (msg == WinApi.WM_XBUTTONUP)
{
OnMouseUp(new MouseEventArgs(MouseButtons.XButton1, 0, x, y, delta));
}
return(WinApi.CallNextHookEx(_handle, code, wParam, lParam));
}
