unit1.~pas

用于选择性的可视化对话框

unit Unit1;

interface

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

type
  Language = set of (English,Geman,Fance);
  TForm1 = class(TForm)
    GroupBox1: TGroupBox;
    CheckBox1: TCheckBox;
    CheckBox2: TCheckBox;
    CheckBox3: TCheckBox;
    GroupBox2: TGroupBox;
    CheckBox4: TCheckBox;
    CheckBox5: TCheckBox;
    CheckBox6: TCheckBox;
    procedure FormCreate(Sender: TObject);
  private
    L:Language;
    { Private declarations }
    procedure Change(Sender: TObject);
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Change(Sender: TObject);
begin
  if checkbox4.Checked then
  begin
    L :=L+[English];
  end
  else
  begin
    L := L - [English]
  end;
  if checkbox5.Checked then
  begin
    L :=L+ [Geman];
  end
  else
  begin
    L :=L- [Geman];
  end;
  if checkbox6.Checked then
  begin
    L :=L+ [Fance];
  end
  else
  begin
    L :=L- [Fance];
  end;
  if English in L then
    checkbox1.Checked:=true
  else
    checkbox1.Checked:=false;
  if Geman in L then
    checkbox2.Checked:=true
  else
    checkbox2.checked:=false;
  if Fance in L then
    checkbox3.Checked:=true
  else
    checkbox3.Checked:=false;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  checkbox4.OnClick:=change;
  checkbox5.OnClick:=change;
  checkbox6.OnClick:=change;
end;

end.