| Method | Description |
| Attach | Attaches a VARIANT to the CComVariant object. |
| CComVariant | The constructor. |
| ChangeType | Converts the CComVariant object to a new type. |
| Clear | Clears the CComVariant object. |
| Copy | Copies a VARIANT to the CcomVariant object. |
| Detach | Detaches the underlying VARIANT from the CComVariant object. |
| ReadFromStream | Loads a VARIANT from a stream. |
| WriteToStream | Saves the underlying VARIANT to a stream. |