popupmenu call to check active item used by popmenucontroler when dialog propery !=null should be overridden by subclasses
Menu picks inside this dialog. Reached because the popup was given this as its dialog, so
MenuControler binds the items here instead of to the editor's global handler — which would
have applied the size to the current selection rather than to the preference.
genaral call back to dispatch events back to the dialog...
can be null
Base class for modal dialog's
Standard header and footer with cancel and ok button's