| IDL可用类型 | 对应C++类型 | 对应Java |
| boolean | unsigned char | char |
| byte | unsigned char | char |
| small | char | char |
| short | short | short |
| long | long | int |
| hyper | __int64 | long |
| float | float | float |
| double | double | double |
| char | unsigned char | char |
| char | wchar_t | short |
| enum | enum | int |
| Interface Pointer | Interface Pointer | Interface Ref. |
| VARIANT | VARIANT | ms.com.Variant |
| BSTR | BSTR | java.lang.String |
| VARIANT_BOOl | short[-1/0] | boolean[true/false] |