xdnnv application is Network Nodes Viewer (xdnnv) and it is a part of Network Manager. The application using a configuration file previously created by xdnnve generates the application which controls work of monitored network devices provided SNMP protocol. Applications generated in that way can be extremely different from one another both their appearances and their functionalities. However, there are some common functionalities for all such applications that let user have some control during their work. Control panels of network devices consist of controls that work is described in the section concerning xdnnve application.