PyGFileOperationProgressSink Object
Implement-only gateway for IFileOperationProgressSink, 
used to receive events from a PyIFileOperation object. 
To abort the operation, an implementation of any method can raise a 
com_error with an appropriate HRESULT.
Methods
- StartOperations
 
- Called as operation begins, before any modifications are done
- FinishOperations
 
- Called after all actions have been performed
- PreRenameItem
 
- Called before each file rename
- PostRenameItem
 
- Called after each file rename
- PreMoveItem
 
- Called before each move operation
- PostMoveItem
 
- Called after each move operation
- PreCopyItem
 
- Called before each copy operation
- PostCopyItem
 
- Called after each copy operation
- PreDeleteItem
 
- Called before each delete operation
- PostDeleteItem
 
- Called after each delete operation
- PreNewItem
 
- Called before each new file is created
- PostNewItem
 
- Called after each new file is created
- UpdateProgress
 
- Gives an estimate of total work completed
- ResetTimer
 
- Not implemented, according to MSDN
- PauseTimer
 
- Not implemented, according to MSDN
- ResumeTimer
 
- Not implemented, according to MSDN