/// <summary>
/// Enables a specified message to be sent to the window from non-Administrator processes
/// </summary>
/// <param name="source"></param>
/// <param name="msg"></param>
/// <returns></returns>
static bool EnableWindowMessage(HwndSource source, uint msg)
{
CHANGEFILTERSTRUCT filterStatus = new CHANGEFILTERSTRUCT();
filterStatus.size = (uint)Marshal.SizeOf(filterStatus);
filterStatus.info = 0;
return(ChangeWindowMessageFilterEx(source.Handle, msg, ChangeWindowMessageFilterExAction.Allow, ref filterStatus));
}
public static extern bool ChangeWindowMessageFilterEx(IntPtr hWnd, uint msg, ChangeWindowMessageFilterExAction action, ref CHANGEFILTERSTRUCT changeInfo);