Send mouse clicks to X Y coordinate of another application

Question

I am trying to send a simulated mouse click to another application. I understand how to actually send the key click, this is not the issue. I need to send the mouse click to the

Answer 1

Set the cursor position AND also set 0,0 as X and Y in the mouse_event routine:

SetCursorPos(x, y);
mouse_event(MouseEventFlag.LeftDown, 0, 0, 0, UIntPtr.Zero);
mouse_event(MouseEventFlag.LeftUp, 0, 0, 0, UIntPtr.Zero);

Working fine for me now.