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How to limit the number of lines in a TRichEdit 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
98
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Jonas Bilinkevicius

I have a form with fixed size boxes. I want to prevent the user from overfilling 
it. Is it possible to limit the height or at least the number of lines in a 
TRichEdit?

Answer:

Try keypress code like this:
1   
2   procedure Form1.FMemo1KeyPress(Sender: TObject; var Key: Char);
3   begin
4     if (Key = #13) and ((Sender as TRichEdit).Lines.Count >= 32) then
5       Key := #0;
6   end;


			
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