Represents a grid token. In many cases It means a row of a grid. But in fact, It contains cells of grid, which are related to each other. The token could be an intersection of rows and columns. For examlpe: The cells contain members of an entity. The grid token connects the entity or feature/(connected features) with the GUI. The GUI of x4Trace does not contain data bindings, because It solves the GUI update with tokens
Represents the graphics controller. Handles the GUI elements. Button click, selection change, etc. Calls methods of grids. AddControls method initializes the GUI elements of GraphicsController