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Tpanel color

Posted on 2004-08-02
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Last Modified: 2008-01-09
How can i loop through all tpanels on a form to change the color?
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Question by:KLOPEKS
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LVL 12

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by:
esoftbg earned 340 total points
ID: 11691397
unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, Buttons, StdCtrls;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Panel2: TPanel;
    Panel3: TPanel;
    Edit1: TEdit;
    ListBox1: TListBox;
    SpeedButton1: TSpeedButton;
    procedure SpeedButton1Click(Sender: TObject);
  private   { Private declarations }
  public    { Public declarations }
    procedure ChangePanelsColor(Cl: TColor);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.ChangePanelsColor(Cl: TColor);
var
  I:      Integer;
begin
  for I := 0 to ComponentCount-1 do
    if (Components[I].ClassType=TPanel) then
      (Components[I] as TPanel).Color := Cl;
end;

procedure TForm1.SpeedButton1Click(Sender: TObject);
begin
  ChangePanelsColor(clSkyBlue);
end;

end.

emil
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