>I have a classlib called fp_toolbox. It has a ListBoxMover class in it.
>
>I can open the class in the class browser, but if I attempt to open the class
>in the Class Designer, I get:
>
>

>---------------------------
>Microsoft Visual C++ Runtime Library
>---------------------------
>Buffer overrun detected!
>
>Program: ...ogram Files\Microsoft Visual FoxPro 9\vfp9.exe
>
>A buffer overrun has been detected which has corrupted the program's
>internal state.  The program cannot safely continue execution and must
>now be terminated.
>

>
>
>Also, in the Class Browser, all of the controls in the right pane have the word "(NOINIT)"
>next to them.
>
>Any way to open or recover this class?

BACKUP it first.
Then try to open that VCX as a table and PACK it.
If you succeed close the VCX and COMPILE it.
If not I hope you have a recent backup (not that one you made first).