Re: flicker when update text then rescrolling

Author

Message

Sergey Tkachenko

Posted: 06/27/2003 21:58:33

What's the code in redoView?

Format does not scroll to the beginning. It tries to retain the original

vertical scrollbar position, if it's possible.

> I'm running a RichView component with formatted text.

> When certain events are triggered the text would be regenerated and then

> scrolls back to the old position. (To make text look like it updated

without

> moving)

> eg:

> var

> scroll:Integer;

> scroll := richview1.VScrollpos;

> redoView; //Changes the text in richview1

> richview1.format;

> richview1.VScrollPos := scroll;

> richview1.repaint;

> The text scrolls to its old position fine, but it flickers since the

editor(and

> scrollbar) moves to the top, then jumps down to its old position again.

> Is there a way to update the text and move the scrollbar back down without

> refreshing the component (so visually its still showing the old text), and

> once all that is done do one refresh to make it show the new text with it

> scrolled in the correct position already?

> Thanks for the help

> Allan