typedef struct tagACTCTX_SECTION_KEYED_DATA_2600 {
    ULONG cbSize;
    ULONG ulDataFormatVersion;
    PVOID lpData;
    ULONG ulLength;
    PVOID lpSectionGlobalData;
    ULONG ulSectionGlobalDataLength;
    PVOID lpSectionBase;
    ULONG ulSectionTotalLength;
    HANDLE hActCtx;
    ULONG ulAssemblyRosterIndex;
} ACTCTX_SECTION_KEYED_DATA_2600, *PACTCTX_SECTION_KEYED_DATA_2600;