delphi 2009 之 TCategoryPanelGroup[2]: HeaderAlignment、GradientDirection

本例效果图:

代码文件:

unit Unit1;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, ExtCtrls, StdCtrls;

type

TForm1 = class(TForm)

CategoryPanelGroup1: TCategoryPanelGroup;

CategoryPanel1: TCategoryPanel;

CategoryPanel2: TCategoryPanel;

CategoryPanel3: TCategoryPanel;

RadioGroup1: TRadioGroup;

RadioGroup2: TRadioGroup;

procedure FormCreate(Sender: TObject);

procedure RadioGroup1Click(Sender: TObject);

procedure RadioGroup2Click(Sender: TObject);

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

uses TypInfo, GraphUtil;

procedure TForm1.FormCreate(Sender: TObject);

var

i: Integer;

begin

CategoryPanel1.Height := ClientHeight div 2;

CategoryPanel2.Height := CategoryPanel1.Height;

CategoryPanel3.Height := CategoryPanel1.Height;

CategoryPanel1.Caption := 'CPanel1';

CategoryPanel2.Caption := 'CPanel2';

CategoryPanel3.Caption := 'CPanel3';

RadioGroup1.Caption := 'HeaderAlignment';

for i := 0 to 2 do

RadioGroup1.Items.Add(GetEnumName(TypeInfo(TAlignment), i));

RadioGroup1.ItemIndex := 0;

RadioGroup2.Caption := 'GradientDirection';

for i := 0 to 1 do

RadioGroup2.Items.Add(GetEnumName(TypeInfo(TGradientDirection), i));

RadioGroup2.ItemIndex := 1;

end;

procedure TForm1.RadioGroup1Click(Sender: TObject);

begin

CategoryPanelGroup1.HeaderAlignment := TAlignment(RadioGroup1.ItemIndex);

end;

procedure TForm1.RadioGroup2Click(Sender: TObject);

begin

CategoryPanelGroup1.GradientDirection := TGradientDirection(RadioGroup2.ItemIndex);

end;

end.

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