I have seen this problem documented before* and am aware of the _SendEx workaround. As far as I understand the problem occurs when ctrl, shift or alt are held down when Send() is called and if the key is released before the send function finishes, then that key will get "stuck" down, and will require a physical key press to release it. My question is regarding SendKeyDownDelay What is the default value of SendKeyDownDelay? can it be set to 0? If it were set to 0 (or it's lowest bound) would