//连接到\\192.168.0.1\picbook目录,用户名是administrator,密码是:'aaaa'

procedure TForm1.ConnectServer;
var
    NetSource   :   TNetResource;
begin
    with   NetSource   do
    begin
        dwType   :=   RESOURCETYPE_ANY;
        lpLocalName   :='';                                                           //   将远程资源映射到此驱动器
        lpRemoteName:='\\192.168.0.1\picbook';                 //   远程网络资源
        lpProvider     :='';
    end;
    WnetAddConnection2(NetSource, 'aaaa','Administrator',CONNECT_UPDATE_PROFILE);
end;

//关闭连接

procedure TForm1.DisConnectServer;
begin
WNetCancelConnection2('\\192.168.0.1\picbook',CONNECT_UPDATE_PROFILE,True);
end;