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 程式師世界 >> 編程語言 >> 更多編程語言 >> Delphi >> Delphi 2009之TCategoryPanelGroup[2]: HeaderAlignment、GradientDirection

Delphi 2009之TCategoryPanelGroup[2]: HeaderAlignment、GradientDirection

編輯:Delphi

本例效果圖:

代碼文件: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.

窗體文件:

object Form1: TForm1
 Left = 0
 Top = 0
 Caption = 'Form1'
 ClientHeight = 209
 ClientWidth = 334
 Color = clBtnFace
 Font.Charset = DEFAULT_CHARSET
 Font.Color = clWindowText
 Font.Height = -11
 Font.Name = 'Tahoma'
 Font.Style = []
 OldCreateOrder = False
 OnCreate = FormCreate
 PixelsPerInch = 96
 TextHeight = 13
 object CategoryPanelGroup1: TCategoryPanelGroup
  Left = 0
  Top = 0
  Width = 216
  Height = 209
  VertScrollBar.Tracking = True
  HeaderFont.Charset = DEFAULT_CHARSET
  HeaderFont.Color = clWindowText
  HeaderFont.Height = -11
  HeaderFont.Name = 'Tahoma'
  HeaderFont.Style = []
  TabOrder = 0
  object CategoryPanel1: TCategoryPanel
   Top = 0
   Caption = 'CategoryPanel1'
   TabOrder = 0
   ExplicitWidth = 174
  end
  object CategoryPanel2: TCategoryPanel
   Top = 200
   Caption = 'CategoryPanel2'
   TabOrder = 1
   ExplicitWidth = 174
  end
  object CategoryPanel3: TCategoryPanel
   Top = 400
   Caption = 'CategoryPanel3'
   TabOrder = 2
   ExplicitWidth = 174
  end
 end
 object RadioGroup1: TRadioGroup
  Left = 222
  Top = 9
  Width = 104
  Height = 97
  Caption = 'RadioGroup1'
  TabOrder = 1
  OnClick = RadioGroup1Click
 end
 object RadioGroup2: TRadioGroup
  Left = 222
  Top = 121
  Width = 104
  Height = 80
  Caption = 'RadioGroup2'
  TabOrder = 2
  OnClick = RadioGroup2Click
 end
end

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