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PropertyHandle :: GetExtension - Get extension property handle

The function returns a property handle for a property extension, which has been stored in the instance currently selected. The function does not check, whether the extension property is an attribute or collection (reference or relationship), i.e. one may call this function for any type of property extension. When no instance is selected in the property handle, the function throws an exception.

Notes:

Property extensions just being created are accessible via this function only, when the instance or property extension has been saved ( save() ).

Return value:  Pointer to property handle ( PropertyHandle * )

Is a pointer to an (usually) opened property handle.

Implementation details