帮忙看看这段程序?有问题吗?
procedure TForm1.Button4Click(Sender: TObject);
var
meminfo:memorystatus;
begin
meminfo.dwlength:=sizeof(memorystatus);
edit1.text:=inttostr(meminfo.dwmemoryload)+'%内存在使用';
edit2.text:='物理内存共有'+inttostr(meminfo.dwtotalphys)+'字节';
edit3.text:='可用的物理内存有'+inttostr(meminfo.dwavailphys)+'字节';
edit4.text:='交换文件共有'+inttostr(meminfo.dwtotalpagefile)+'字节';
{ edit5.text:='可用的交换文件有'+inttostr(meminfo.dwavailpagefile)+'字节';
edit6.text:='虚拟内存共有'+inttostr(meminfo.dwtotalvirtual)+'字节';
edit7.text:='可用的虚拟内存有'+inttostr(meminfo.dwavailvirtual)+'字节';
}
end;