internal static void ShowSystemMenuPhysicalCoordinates(Window window, Point physicalScreenLocation)
{
const uint TPM_RETURNCMD = 0x0100;
const uint TPM_LEFTBUTTON = 0x0;
Verify.IsNotNull(window, "window");
IntPtr hwnd = new WindowInteropHelper(window).Handle;
if (hwnd == IntPtr.Zero || !NativeMethodsShell.IsWindow(hwnd))
{
return;
}
IntPtr hmenu = NativeMethodsShell.GetSystemMenu(hwnd, false);
uint cmd = NativeMethodsShell.TrackPopupMenuEx(hmenu, TPM_LEFTBUTTON | TPM_RETURNCMD, (int)physicalScreenLocation.X, (int)physicalScreenLocation.Y, hwnd, IntPtr.Zero);
if (0 != cmd)
{
NativeMethodsShell.PostMessage(hwnd, WM.SYSCOMMAND, new IntPtr(cmd), IntPtr.Zero);
}
}