SysUtils.StrMove

其实这也是个 Copy 函数, 和 Move 没有关系.

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unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs;



type

  TForm1 = class(TForm)

    procedure FormCreate(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



procedure TForm1.FormCreate(Sender: TObject);

var

  p: PChar;

begin

  p := PChar(StringOfChar('A', 9));



  StrMove(p, '12345', 3);

  ShowMessage(p); {123AAAAAA}



  StrMove(p, '67890', 5);

  ShowMessage(p); {67890AAAA}



  StrMove(p, '12345', 7);

  ShowMessage(p); {12345}

end;



end.


 
   

SysUtils 单元下的公用函数目录

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