The delegate callback to execute when invoking the command.
This dialog to aid method chaining.
These are the fields within the callback's CommandArgs parameter which are populated by this method when the callback is executed.
$(PARAM_TABLE $(PARAM_ROW CommandArgs.element, The element that executed the callback.) $(PARAM_ROW CommandArgs.callback, The callback which was executed.) $(PARAM_ROW CommandArgs.dialog.font, Font information populated from dialog interaction.) )
Set the callback to execute when a new font is choosen. When the callback is executed information about the choosen font is stored as a string in the CommandArgs.Dialog struct.