| Method | Description |
| Append | Appends a string to m_str. |
| AppendBSTR | Appends a BSTR to m_str. |
| Attach | Attaches a BSTR to the CComBSTR object. |
| CComBSTR | Constructor. |
| Copy | Returns a copy of m_str. |
| Detach | Detaches m_str from the CComBSTR object. |
| Empty | Frees m_str. |
| Length | Returns the length of m_str. |
| ReadFromStream | Loads a BSTR object from a stream. |
| WriteFromStream | Saves m_str to a stream. |