Metadatacopystruct _EVENT_FILTER_HEADER { unsigned short Id;/* 0x0 2 */ unsigned char Version;/* 0x2 1 */ unsigned char Reserved[5];/* 0x3 5 */ unsigned __int64 InstanceId;/* 0x8 8 */ unsigned long Size;/* 0x10 4 */ unsigned long NextOffset;/* 0x14 4 */};