struct _VF_TRACKER// Size=0x10
{
    unsigned long TrackerFlags;// Offset=0x0 Size=0x4
    unsigned long TrackerSize;// Offset=0x4 Size=0x4
    unsigned long TrackerIndex;// Offset=0x8 Size=0x4
    unsigned long TraceDepth;// Offset=0xc Size=0x4
};