ActivateKeyboardLayout

GetActiveWindow

GetGUIThreadInfo

GDI+: copying to the Clipboard (a) image of active FoxPro window/form, (b) image file

How to block the PrintScreen key

How to copy the image of a form to the Clipboard using Bitmap API functions

How to prevent users from accessing the Windows Desktop and from switching to other applications

Retrieveing information about the active window (even if it is not owned by the calling process)