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Color Sintax in Richedit

Posted on 1998-10-04
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Last Modified: 2013-11-22
Like to the Word, I need to create a function that underlines some words, when typed, but I don't know to make this.I would like to know if somebody  could help me.
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Question by:sabadao
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6 Comments
 
LVL 4

Expert Comment

by:BoRiS
ID: 1341719
sabadao

You mean if there is an error in spelling or if they choose to underline a word.

Later
BoRiS
0
 
LVL 10

Accepted Solution

by:
viktornet earned 400 total points
ID: 1341720
Here is an example of what you want.... Hope it helps... ;->

procedure UnderLine(RichEdit : TRichEdit; sWord : string);
var
  nPos : Integer;
  OldStart;
begin
  nPos := Pos(sWord, RichEdit.Text);
  OldStart := RichEdit.SelStart;
  if nPos > 0 then begin
    RichEdit.SetFocus;
    RichEdit.SelStart := nPos - 1;
    RichEdit.SelLength := Length(sWord);
    RichEdit.SelAttributes.Style := RichEdit.SelAttributes.Style + [fsUnderline];
  end;
  RichEdit.SelStart := OldStart;
end;

//Example call...

procedure TForm1.FormClick(Sender: TObject);
begin
  UnderLine(RichEdit1, 'Hello');
end;

Regards,
Viktor Ivanov
0
 

Author Comment

by:sabadao
ID: 1341721
Ok, but I need, to Test all time when the user keypress, and if was correct I need to take out the underline.....Like the delphi too. It underline the reserved word.
0
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Author Comment

by:sabadao
ID: 1341722
And these procedure pick the first word only. I need a procedure , that could test all the words.
0
 
LVL 10

Expert Comment

by:viktornet
ID: 1341723
Ok, I'll test for w while and give you the finaly procedure that works.... Is that OK???

//Viktor
0
 
LVL 10

Expert Comment

by:viktornet
ID: 1341724
Here is something.....

procedure UnderLine(RichEdit : TRichEdit; sWord : string);
var
  nPos, OldStart, Len : Integer;
begin
  nPos := Pos(sWord, RichEdit.Text);
  OldStart := RichEdit.SelStart;
  RichEdit.SetFocus;
  while nPos > 0 do begin
    RichEdit.SelStart := nPos - 1;
    RichEdit.SelLength := Length(sWord);
    RichEdit.SelAttributes.Style := RichEdit.SelAttributes.Style + [fsUnderline];
    RichEdit.SelLength := 0;
    RichEdit.SelAttributes.Style := RichEdit.SelAttributes.Style - [fsUnderline];
    Len := Pos(sWord, Copy(RichEdit.Text, (nPos-1) + Length(sWord), Length(RichEdit.Text)));
    if Len <> 0 then
        nPos := nPos + (Len+1)
    else
        break;
  end;
  RichEdit.SelStart := OldStart;
end;

Example Call:

Underline(RichEdit1, 'Hello');

Regards,
Viktor Ivanov
0

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