public void sendAltCharacter(char c) { keybd_event((byte)VKeys.VK_MENU, 0, 0, 0); Thread.Sleep(100); PostMessage(appWin, WM_KEYDOWN, (IntPtr)VkKeyScan(c), (IntPtr)0); Thread.Sleep(300); keybd_event((byte)VKeys.VK_MENU, 0, 0x2, 0); }