十三、详测 Generics Collections TList (4): AddRange、InsertRange、DeleteRange

unit Unit1;

interface

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

type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

uses
Generics.Collections;

procedure TForm1.Button1Click(Sender: TObject);
var
List, ListTmp: TList<Byte>;
i: Byte;
str: string;
begin
List := TList<Byte>.Create;
List.AddRange([11,22,33]); //AddRange
str := '';
for i in List do str := str + IntToStr(i) + ' ';
ShowMessage(str);

ListTmp := TList<Byte>.Create;
ListTmp.AddRange([44,55]);
List.AddRange(ListTmp);
str := '';
for i in List do str := str + IntToStr(i) + ' ';
ShowMessage(str);
List.InsertRange(1, ListTmp); //InsertRange
str := '';
for i in List do str := str + IntToStr(i) + ' ';
ShowMessage(str);
List.DeleteRange(1,3); //DeleteRange
str := '';
for i in List do str := str + IntToStr(i) + ' ';
ShowMessage(str);
ListTmp.Free;
List.Free;
end;

end.