This property indicates whether the filter has registered to be notified when the server has preprocessed the headers of a request. This property is one of the flags contained in the FilterFlags. This is a read-only property.
| Data type | Boolean |
| Default value | FALSE |
| Inheritance | Not inheritable |
This property is accessible at the following locations:
| Metabase Path | Key Type |
| /LM/W3SVC/Filters/Filter | IIsFilter |
| /LM/W3SVC/N/Filters/Filter | IIsFilter |
The following table lists additional information required only for code that uses the IIS Admin Base Object.
Note This property is a bitmask flag of the identifier MD_FILTER_FLAGS.
| Metabase identifier | MD_FILTER_FLAGS |
| Metabase bitmask identifier | MD_NOTIFY_PREPROC_HEADERS |
| Data type | DWORD_METADATA |
| User type | IIS_MD_UT_SERVER |
| Metabase bitmask value | 0x00004000 |