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Date Posted: 20:28:08 01/05/03 Sun
Author: Michel
Subject: Re: EOutOfResources error C++ Builder 5
In reply to: Héctor 's message, "EOutOfResources error C++ Builder 5" on 18:55:38 12/27/02 Fri


Hi Héctor,

For general questions you may have better answers on the borland newsgroups. This support forum is for specific questions on the Envision library. Quickly, you can try _image.Invalidate() instead of Refresh() which may not be valid within the event handler.

Best regards,

Michel

>Hi, I'm working in an application for create a tool
>that helps to make chess exercises. At the moment I've
>created an application that allows you to create an
>initial configuration for the chessboard. When the
>application starts, the chessboard is drawn and the
>pieces too -the 32- and you can put'em where you want.
>The problem is that when you try to move all the
>pieces on the board, I get an "EOutOfResources" error.
>I know this error occurs usually when you don't free
>resources but, I don't create any new resources during
>the application. If at the starts there's no problem I
>don't understand why there is when I'm dragging the
>pieces....This is a part of the source code:
>
>Piece _pieces[32];
>Piece *dragged;
>OnMouseDown-->
>dragged = NULL;
>for (i=0;i<32;i++)
> if _pieces[i]->contains(x,y)
> dragged = pieces[i];
>OnMouseMOve-->
>if (dragged!=NUlL) dragged->move(x,y)
>OnMOuseUP-->
>dragged =NULL
>
>I found the problem is in the procedure move(x,y) of
>the class Piece:
>where there is property TImage* _image;
> _image->Left = _x = x-(ancho/2);
> _image->Top = _y = y-(alto/2);
> ********_image->Refresh();*******I THINK HERE IS THE
>PROBLEM!!!!!
>
>if I call the dragged->move(x,y) ONMOuseUp and not on
>ONMouseMove, there's no problem.........WHY THIS
>HAPPENS??!!!??
> thanks

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