How to Unhook two hook procedures simultaneously?

Question

In my application I created two procedures namely callbackwnd procedure to handle focus events and mouse procedure to handle mouse click events.when I unhook the two procedure the application will flicker little bit.how to overcome this?

I also like to know which procedure is first to use unhook function ?

Regards, Karthik

Answer 1

You can unhook any procedure at any time.preferably unhook the procedure while closing the window(WM_CLOSE).

The flickering may happened due to unhooking the function twice.