unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
//TStringBuilder.Create 可以無參數
procedure TForm1.Button1Click(Sender: TObject);
var
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
sb.Append('Embarcadero');
sb.Append(' CodeGear');
sb.Append(' Delphi');
sb.Append(' 2009');
ShowMessage(sb.ToString); {Embarcadero CodeGear Delphi 2009}
sb.Free;
end;
//TStringBuilder.Create 可用字符串初始化; 其他重載用處不大
procedure TForm1.Button2Click(Sender: TObject);
var
sb: TStringBuilder;
begin
sb := TStringBuilder.Create('Delphi ');
sb.Append(2009);
ShowMessage(sb.ToString); {Delphi 2009}
sb.Free;
end;
end.