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How to control the scroll buffer of a TMemo Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
12-Oct-02
Category
Reporting /Printing
Language
Delphi 2.x
Views
144
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Jonas Bilinkevicius

I would like the TMemo object to have a 250 line scroll buffer. In other words, 
when the 251 line is added, the first line is removed from the TMemo object. Is 
there a way to accomplish this without having to copy each string from index n to 
index n - 1 each time the 250th line is added?

Answer:

You can use TStrings' Delete method and pass the index to it.

1   if memo1.Lines.Count = 251 then
2     Memo1.lines.Delete(0);


			
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