Wow, thanks again JRL! That works even better than I imagined possible. That's a very very nice trick indeed

Thanks a lot JRL. This sounds like exactly what I need }:o) I'll give it a try.

Thanks for your response but I already have code which makes the window hidden and allows me to send input to it (based on the post I mentioned): Let>HWND_TOPMOST=-1 Let>HWND_NOTOPMOST=-2 Let>HWND_BOTTOM=1 Let>SWP_NOSIZE=1 Let>SWP_NOMOVE=2 Let>SWP_NOACTIVATE=16 Let>SWP_SHOWWINDOW=64 Let>SWP_HIDEWIND...

Hi, How do I focus on a hidden window without that window becoming visible? I've read th post here which almost does what I'm looking for: http://www.mjtnet.com/forum/viewtopic.php?t=2651&highlight=swphidewindow but this method for hiding the winodw takes long enough that it is noticable to the user...