public static void EndOfFrameActivity()
{
if (InputManager.Keyboard.KeyDown(Keys.LeftControl) &&
InputManager.Keyboard.KeyPushed(Keys.Z) &&
mInstructions.Count != 0)
{
InstructionList instructionList = mInstructions[mInstructions.Count - 1];
instructionList.Execute();
mInstructions.RemoveAt(mInstructions.Count - 1);
}
}