The following functions enable applications to determine whether an object class is from OLE 1, and to support conversion between OLE 1 and OLE 2 storage formats.
| OLE 1 Compatibility Functions | Description |
|---|---|
| CoIsOle1Class | Determines if a given CLSID represents an OLE 1 object. |
| OleConvertIStorageToOLESTRAM | Converts the specified storage object from OLE 2 structured storage to the OLE 1 storage model. |
| OleConvertIStorageToOLESTREAMEx | Converts the specified storage object from OLE 2 structured storage to the OLE 1 storage model. |
| OleConvertOLESTREAMToIStorage | Converts the specified object from the OLE 1 storage model to an OLE 2 structured storage object. |
| OleConvertOLESTREAMToIStorageEx | Converts the specified object from the OLE 1 storage model to an OLE 2 structured storage object. |