我用SendKeys写的发送小程序为什么不能发送汉字，只能发送英文！ ( 积分: 50 )

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, sndkey32, StdCtrls;

type
TForm1 = class(TForm)
Edit1: TEdit;
Button1: TButton;
Timer1: TTimer;
Button2: TButton;
procedure Timer1Timer(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Timer1Timer(Sender: TObject);
begin
SendKeys(Pchar(Edit1.Text),False);
SendKeys('{enter}',False);
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
Timer1.Enabled:=true;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Timer1.Enabled:=False;
end;

end.