procedure TForm1.Button1Click(Sender: TObject);
var
s:array[1..127] of char;
i:DWord;
begin
GetComputerName(@s,i);
//获取计算机名
Edit1.Text:=s;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
if SetComputerName(PChar(Edit2.text)) then
//更改计算机名成功
ShowMessage('您的计算机已改名为'+Edit2.Text)
else
ShowMessage('改名失败');
end;