RopExpandRow ROP Request Buffer

The following descriptions define valid fields for the RopExpandRow ROP request buffer ([MS-OXCROPS] section

MaxRowCount (2 bytes): An unsigned integer that specifies the maximum number of leaf rows to be returned in the response. This field SHOULD<16> be set to a value of 0.

CategoryId (8 bytes): An identifier that specifies the category to be expanded. This field is set to the value of the PidTagInstID property (section of the category's header row.