> Of course, this requires a runtime check, which means that to ensure your
> value is truely unique, you can't really hard-code your cursor value in
your
> code but instead should generate it randomly at runtime.  Which means you
> can't use it at design-time, though.

> If you must use it at design-time, then that means that you have to pick a
> custom value that is very unlikely to be used by anyone else.  You have
> millions of values that you can chose from, fortunately.

> Gambit

> "Jens Weiermann" <wexmanATsolidsoftwareDOTde> wrote in message
> news:3cf1d1c2_1@dnews...
> > Hi! I have created a component that uses custom cursors. To be
> > able to do a MyComponent->Cursor = crMyCursor, I need to
> > add these cursors to the global cursor list (Screen->Cursors).
> > How can I do this without overriding an existing, user defined
> > cursor? IOW how to I determine whether or not an index is
> > already used?

>    for (int i=32767; i > 0; i--)
>    {
>       if (Screen->Cursors[i] == Screen->Cursors[crDefault])
>       {
>          crHandOpen = i;
>          Screen->Cursors[crHandOpen] = LoadCursor( HInstance, "HANDOPEN");
>          break;
>       }
>    }

> I don't really like this solution, because someone who uses my
> component could at any time override the cursor at the found index
> by accident. I guess I'll try the WM_SETCURSOR message directly.

> Gambit

> "Jens Weiermann" <wexmanATsolidsoftwareDOTde> wrote in message
> news:3cf203cd_2@dnews...

> > that's what I'm doing now. Here's the code I'm using:

> >    for (int i=32767; i > 0; i--)
> >    {
> >       if (Screen->Cursors[i] == Screen->Cursors[crDefault])
> >       {
> >          crHandOpen = i;
> >          Screen->Cursors[crHandOpen] = LoadCursor( HInstance,
"HANDOPEN");
> >          break;
> >       }
> >    }

> > I don't really like this solution, because someone who uses my
> > component could at any time override the cursor at the found index
> > by accident. I guess I'll try the WM_SETCURSOR message directly.