private static void RaiseNonClientMouseMessageAsClient(IntPtr hwnd, int msg, IntPtr lparam)
{
var point = new Core.Platform.Point
{
X = NativeMethods.GetXlParam(lparam.ToInt32()),
Y = NativeMethods.GetYlParam(lparam.ToInt32())
};
NativeMethods.ScreenToClient(hwnd, ref point);
NativeMethods.SendMessage(hwnd, msg + 513 - 161, new IntPtr(PressedMouseButtons),
NativeMethods.MakeParam(point.X, point.Y));
}