I am working from the sample project here: http://www.codeproject.com/Articles/8086/Extending-the-save-file-dialog-class-in-NET I have hidden the address/location bar at the top and made other mod...

Why does adding a hook procedure (with the OFN_ENABLEHOOK and OFN_EXPLORER flags) to GetOpenFileName() causes a different dialog to be displayed in Windows 7, if the hook procedure just returns FAL...