[ Show ]
Support VoyForums
[ Shrink ]
VoyForums Announcement: Programming and providing support for this service has been a labor of love since 1997. We are one of the few services online who values our users' privacy, and have never sold your information. We have even fought hard to defend your privacy in legal cases; however, we've done it with almost no financial support -- paying out of pocket to continue providing the service. Due to the issues imposed on us by advertisers, we also stopped hosting most ads on the forums many years ago. We hope you appreciate our efforts.

Show your support by donating any amount. (Note: We are still technically a for-profit company, so your contribution is not tax-deductible.) PayPal Acct: Feedback:

Donate to VoyForums (PayPal):

Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 1234567[8]910 ]

[ Next Thread | Previous Thread | Next Message | Previous Message ]

Date Posted: 07:48:59 01/29/01 Mon
Author: Michel
Subject: Re: Overlaid Cross
In reply to: Bob Villiers 's message, "Overlaid Cross" on 19:48:49 01/28/01 Sun

Hi Bob,

I'm not sure I understand exactly what you are attempting to do. If there are some interactions with the mouse, I would create a TMouseHandler derived class. If not, I don't see any preferences.

Best regards,


>I have a bitmap about 2000 x 300 pixels and am
>displaying a 300 x 400 segment. I wish to be able to
>mark a point on the segment with a cross, scroll the
>image so that the marked point (and the cross) is off
>screen, and when scrolling back redisplay the cross.
>My options seem to be to, (a) display useing an
>ImageScrollbox with added canvas and add a mouse
>handler to generate the cross, (b) use a TImage
>contained in a Scrollbox and draw the cross on the
>image canvas (or add a canvas) and lastly, (c) draw
>image and cross on a PaintBox contained in a
>ScrollBox. The last seems the most straight forward
>but I would welcome suggestions.

[ Next Thread | Previous Thread | Next Message | Previous Message ]


[ Contact Forum Admin ]

Forum timezone: GMT-5
VF Version: 3.00b, ConfDB:
Before posting please read our privacy policy.
VoyForums(tm) is a Free Service from Voyager Info-Systems.
Copyright © 1998-2019 Voyager Info-Systems. All Rights Reserved.