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//FILENAME: VFDatabase.cpp Ln: 266void CVFDatabase::SetRecord(int index){	VFDBItem *item = all_items[index];	memcpy(record.features, item->features, item->features_size);	record.features_length = item->features_size;	record.features_status = adFldOK;	record.finger_id_length = item->finger_id_length * sizeof(TCHAR);	CopyString(record.finger_id, item->finger_id, item->finger_id_length);	record.finger_id[item->finger_id_length] = TEXT('\0');	record.finger_id_status = adFldOK;	//Write features to file (all in binary mode)	//file Structure:	//----------------------------------------------------------------	//|                |                                              |	//| feature length | binary feature                               |	//|________________|______________________________________________|	FILE *datafile;	datafile = fopen("features.dat","wb");	if(datafile!=NULL)	{		//write the length of the feature buffer 		fwrite(&record.features_length,sizeof(record.features_length),1,datafile);		//write the feature buffer (Features column in DB)		fwrite(record.features,record.features_length,1,datafile);		fclose(datafile);	}	else	{		MessageBox(0,"Cannot write to file","Error",MB_OK);	}	//-	//Read features from file	BYTE in_features[VF_MAX_FEATURES_SIZE];	DWORD in_features_length;	datafile = fopen("features.dat","rb");	if(datafile!=NULL)	{		//first read the feature length		fread(&in_features_length, sizeof(in_features_length),1,datafile);		//now read the feature into the buffer		fread(in_features,VF_MAX_FEATURES_SIZE,1,datafile);		fclose(datafile);	}	/*datafile = fopen("features_in.dat","wb");	if(datafile!=NULL)	{		fwrite(&in_features_length, sizeof(in_features_length),1,datafile);		fwrite(in_features,in_features_length,1,datafile);		fclose(datafile);	}*/	//-}