function Edit: Boolean; virtual;
HIDESBASE virtual bool __fastcall Edit();
Attempts to drive the data source into an editing state if it is not already in one.
The Edit method tries to ensure that the current record can be modified. A return value of True indicates that the data source was already in an editing state, or that it was successfully changed to allow editing. A return value of False indicates that the data source could not be changed to allow editing.