Solved

Tabcontrol colour problem

Posted on 2001-07-12
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Last Modified: 2008-02-01
This is probably really easy, however driving me mad!

How do I set the color property of the individual tabcontrol tabs?, I am creating a variable amount of tabs at run time with the TTabcontrol component.

I would really like to stick to the native VCL components in Delphi 5 to keep things simple.

Thanks!

Matt
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Question by:mattlaver
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5 Comments
 
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Expert Comment

by:nnbbb09
ID: 6278187

Matt,

I think the only way to change the colour of the tabs is to use the OnDrawTab event handler.
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Expert Comment

by:nnbbb09
ID: 6278199
This is some code that I posted for a previous answer :

procedure TForm1.PageControl1DrawTab(Control: TCustomTabControl;
TabIndex: Integer; const Rect: TRect; Active: Boolean);
var
tmpRect:TRect;
begin
With Control as TPageControl do
begin
  if Active then
    Canvas.Brush.Color:=clAqua
  else
    Canvas.Brush.Color:=clBtnFace;

  Canvas.FillRect(Rect);
  tmpRect:=Rect;
  DrawText(Canvas.Handle,
           pChar(Pages[TabIndex].Caption),
           -1,
           tmpRect,
           DT_CENTER or
           DT_SINGLELINE or
           DT_VCENTER);
end;
end;

All this does is paint the active tab aqua. But you could amend it to paint various tabs. Remember to set ownerdraw to true for the pagecontrol

Jo
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Expert Comment

by:skyrider_tieus
ID: 6706449
nnbbb09:

I tried your code in D6, and there was a problem with the
DrawText function.  As the pagecontrol was first initiated, all tab captions would display the same text as the set active tab.  When one tab was clicked, its caption and the previous tab caption would display the same text as the currently selective one.  Any idea how to fix this problem?
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