/// <summary>
/// Calls the Win32 SendInput method to simulate a Key UP.
/// </summary>
/// <param name="keyCode">The VirtualKeyCode to lift up</param>
public static void SimulateKeyUp(VirtualKeyCode keyCode)
{
var up = new INPUT();
up.Type = (UInt32)InputType.KEYBOARD;
up.Data.Keyboard = new KEYBDINPUT();
up.Data.Keyboard.Vk = (UInt16)keyCode;
up.Data.Keyboard.Scan = 0;
up.Data.Keyboard.Flags = (UInt32)KeyboardFlag.KEYUP;
up.Data.Keyboard.Time = 0;
up.Data.Keyboard.ExtraInfo = IntPtr.Zero;
// Check to see if this is an extended key.
if (InputSimulator.IsExtendedKey(keyCode))
{
up.Data.Keyboard.Flags = up.Data.Keyboard.Flags | (UInt32)KeyboardFlag.EXTENDEDKEY;
}
INPUT[] inputList = new INPUT[1];
inputList[0] = up;
var numberOfSuccessfulSimulatedInputs = SendInput(1, inputList, Marshal.SizeOf(typeof(INPUT)));
if (numberOfSuccessfulSimulatedInputs == 0)
{
throw new Exception(string.Format("The key up simulation for {0} was not successful.", keyCode));
}
}
