Gets the Feature that that is currently being edited.
Returns null if there is currently no edit feature. This is different from the current
selection. Each layer has a selection that may contain many features but there is only only
feature that can be editted at one time.
The layer that contains the edit features. Often feature edit commands will require the layer
that contains the Edit feature so that the feature may be editted.
the layer that contains the edit feature in its feature store.
Returns the layer that is "currently" selected. The workbench is monitored for changes to
selection and this will reflect that layer.
the layer that is "currently" selected
Returns true if there is a currently active transaction (editing has occured and not been
committed). false is returned if there is no current transaction. If false is returned it is
understood that no editing is occurring.
Returns true if there is a currently active transaction. false is returned if thereis no current transaction.