Re: A Bug

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Message

Sergey Tkachenko

Posted: 08/06/2002 19:25:23

OnCaretMove is a special event.

Methods testing selection do not work inside it.

Move this code to OnSelect.

> Here's a very unpleasant bug ( or it may not be a bug, if not explain how

to

> cope with it).

> You create a form, a richviewedit named RVE, assign the style property to

> some RVStyle item, and then create the following procedure :

>

> procedure TForm1.RVECaretMove(Sender: TObject);

> begin

>   Button1.Enabled:=RVE.CanDelete;

> end;

>

> Now, write some lines of text in the RVE. And, try to select them with the

> keyboard.... NOT WITH THE mouse (with mouse it works OK). You'll see that

it

> works not as it's supposed to. Why?

>

> I corrected the problem by simply chaning the place of the row

>

>  Button1.Enabled:=RVE.CanDelete;

>

> from CarretMove to OnSelect, but I'm interested why it does not work

> otherwise, and maybe you'd like to fix it

>

> Best wishes,

> Slavi

>

>