IncrementGenerationNumber

Inside Macintosh: OpenDoc Class Reference /: Part 1 - Classes and Methods / ODStorageUnit

IncrementGenerationNumber
The IncrementGenerationNumber method increments and returns the generation number of the currently focused value.
ODULong IncrementGenerationNumber ();
return value
The generation number of the currently focused value, expressed as an unsigned 32-bit value.

DISCUSSION
You can use the generation number of a value to tell whether the data in the value has changed. For example, when your part makes a signification change to the data in a value, you can call this method to increment its generation number.

EXCEPTIONS

kODErrUnfocusedStorageUnit
This storage unit is not focused on a value.
kODErrZeroRefCount
This storage unit has a reference count of 0.

SEE ALSO
The ODStorageUnit::GetGenerationNumber method (page 688).