A column label provider that returns label text and images based on a
IPropertySourceProvider, forwarding requests for text and image to
the label provider returned from the property descriptor for the given
property id.
PropertySheetEntry is an implementation of
IPropertySheetEntry which uses IPropertySource
and IPropertyDescriptor to interact with domain model objects.
The standard implementation of property sheet page which presents
a table of property names and values obtained from the current selection
in the active workbench part.