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How to get the current cursor position in a Richedit or Memo field. 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
Get cursor position in a field. 04-Feb-04
Category
VCL-General
Language
Delphi All Versions
Views
597
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Publisher:
Darley, F. Joe
Reference URL:
			1   
2   procedure TForm1.Memo1KeyUp(Sender: TObject; var Key: Word;
3     Shift: TShiftState);
4   
5   var
6   	x,y:integer; //integer to hold the x,y cordinates of cursor
7   
8   begin
9   
10     // gets the y cordinate from memo field
11    y :=  SendMessage(Memo1.Handle, EM_LINEFROMCHAR, memo1.Selstart,0);
12  
13    //calculates the x cordinate from memo field
14    x:=memo1.Selstart-SendMessage(Memo1.Handle, EM_LINEINDEX, y,0)+1;
15  
16    //displays information on form's caption bar
17    Caption:='X:='+IntToStr(x)+' Y:='+intTostr(y);
18  
19  end;


			
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