CPreprocessorElse[ ] is a symbolic representation of a preprocessor else conditional.
CPreprocessorEndif[ ] is a symbolic representation of a preprocessor endif conditional.
CSizeOf[obj] is a symbolic representation of a sizeof expression.
CString[string] is a symbolic representation of a string expression.
CUndef
(SymbolicC Package Symbol) CUndef[def] is a symbolic representation of a preprocessor undef.
ExposeWidgetReferences is an option to Widget which specifies a list of normally internal \:f3b5children widget reference names to include as publicly available instances.
Name
(GUIKit Package Symbol) Name is an option to GUIKit expression functions and identifies a string name with which to register the widget instance in the active widget registry.
ScriptSource is an option to Script which specifies a location to load the script code from.
Widget["Button"] represents a button.
Widget["CheckBox"] represents a checkbox.