A palette displays a set of similar symbols and annotates the group textually with its heading.
Notifies when the palette items are expanded or collapsed in the symbol palette.
Notifies when the selection objects change in the symbol palette.
Represents how to display a collection of palettes. The palette shows a set of nodes and connectors. It allows you to drag and drop the nodes and connectors into the diagram.
Represents the textual description of a symbol.
Represents the size and description of a symbol.
Specifies the extra space around the outer boundaries of the symbol.
Represents a segment of UI content, implemented as a delegate that writes the content of a Node.
Represents the base class for all the symbol palette objects. It is used to handle common actions like property changes in any symbol palette objects.