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Tab Custom Draw

Posted on 2001-06-04
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Medium Priority
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Last Modified: 2010-04-06
Hi all,

I draw the Tab(the part you click on to select another sheet) as below. Problem is, I can't get it to draw the _ below the shortcut character.

The result is:-
  '&Customer'

Thanks,
Dion.

procedure TPupilForm.pcFamDetailsDrawTab(Control: TCustomTabControl;
  TabIndex: Integer; const Rect: TRect; Active: Boolean);
var
  ARect: TRect;
begin
  with Control do
  begin
    if Active then
      Canvas.Brush.Color := RGB(195, 193, 205)
    else
      Canvas.Brush.Color := clBtnFace;

    ARect := Rect;
    ARect.Bottom := ARect.Bottom+2;
    Canvas.FillRect(ARect);

    Canvas.Font.Color := clBlack;

    { make sure that the tab is going to be wide enough. }

    Canvas.TextOut(Rect.Left+4, Rect.Top+4, TPageControl(Control).Pages[TabIndex].Caption);

  end;
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Question by:Diono
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1 Comment
 
LVL 4

Accepted Solution

by:
fva earned 150 total points
ID: 6152105
Normally you should use the TCM_SETITEM API to change the text in the tab (and that's what VCL does).
If you want to change colors as your code suggests, try

// determine the aRect surrounding the text
....
// output formatted text
DrawText(Canvas.Handle,PChar(TPageControl(Control).Pages[TabIndex].Caption),length(TPageControl(Control).Pages[TabIndex].Caption),aRect,0);

DrawText will take care of your & unless the last parameter includes DT_NOPREFIX. Check Win API for more detail.

HTH,
F.
 
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