SysUtils.StrLCat

StrLCat 与 StrCat 类似, StrLCat 多出的参数好像是限制结果的长度.

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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}



procedure TForm1.Button1Click(Sender: TObject);

var

  arr: array[0..255] of Char;

begin

  StrCopy(arr, '12345');

  StrCat(arr, 'ABCDEFG');

  ShowMessage(arr); {12345ABCDEFG}

end;



procedure TForm1.Button2Click(Sender: TObject);

var

  arr: array[0..255] of Char;

begin

  StrCopy(arr, '12345');



  StrLCat(arr, 'ABCDEFG', 7);

  ShowMessage(arr); {12345AB}

end;



end.


 
   

SysUtils 单元下的公用函数目录

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