Windows messages:
Capturing keyboard activity of another application with the Raw Input API (VFP9)
Customizing the frame of top-level form: removing the standard frame (VFP9, Vista)
Detecting changes in connections to removable drives (VFP9)
How to drag a Form not using its Titlebar or Caption
How to intercept window messages sent to VFP form
Transparent Menu Class (requires VFP9)