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int CChex_Update(IntPtr CchexHandle, int[] DevIdx, int[] Type, IntPtr Buff, int Len)
 

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            int ret = 0;
            int[] Type = new int[1];
            int[] dev_idx = new int[1];
            IntPtr pBuff;
            int len = 32000;
            pBuff = Marshal.AllocHGlobal(len);
           CChex_Update(anviz_handle, dev_idx, Type, pBuff, len);
 

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HB_FUNC( CCHEX_UPDATE )
{
   int DevIdx = hb_parni( 2 );
   int Type = hb_parni( 3 );

   hb_retnl( CChex_Update( ( void * ) hb_parnl( 1 ), &DevIdx, &Type, ( char * ) hb_parc( 4 ), hb_parni( 5 ) ) );
}

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 {
                                AnvizNew.CCHEX_RET_RECORD_INFO_STRU_CARD_ID_LEN_7 record_info;
                                record_info = (AnvizNew.CCHEX_RET_RECORD_INFO_STRU_CARD_ID_LEN_7)Marshal.PtrToStructure(pBuff, typeof(AnvizNew.CCHEX_RET_RECORD_INFO_STRU_CARD_ID_LEN_7));

                                DateTime date = new DateTime(2000, 1, 2).AddSeconds(swapInt32(BitConverter.ToUInt32(record_info.Date, 0)));
                                string dateStr = date.ToString("yyyy-MM-dd HH:mm:ss");

                                string info_buff = "Record Info ----[ Mid:" + record_info.MachineId
                                    + " Date:" + dateStr
                                    + "PersonID: " + CardId_array_to_string(record_info.CardId)
                                    + " RecType:" + record_info.RecordType.ToString()
                                    + " ]" + "(" + record_info.CurIdx.ToString() + "/" + record_info.TotalCnt.ToString() + ")";
                                log_add_string(info_buff);
                            }
 

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    vRet:=CChex_DownloadAllRecords(Anviz_handle,1)
    syswait(2)  
    vCual:=0
    do while .t.
        aDatos:=space(32000)
        nLen:=len(aDatos)
        vRet:=(CChex_Update(Anviz_handle,iDx,tipo,aDatos,32000))    
        syswait(2)          
        if vRet > 0
           vCual++
           nomf = "Fichero"+strzero(vCual,3)+".txt"
           handle = fcreate(nomf)          
           for x=1 to len(aDatos)
              fwrite(handle,substr(aDatos,x,1),1)
           next x
           fclose(handle)          
        else
           exit
        end if
   end do
 

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        public struct CCHEX_RET_RECORD_INFO_STRU_CARD_ID_LEN_7
        {
            public uint MachineId;         //机器号
            public byte NewRecordFlag;    //是否是新记录
            [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 7)]
            public byte[] CardId;    //
            [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 4)]
            public byte[] Date;          //日期时间
            public byte BackId;           //备份号
            public byte RecordType;       //记录类型
            [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 3)]
            public byte[] WorkType;      //工种        (ONLY use 3bytes )
            public byte Rsv;

            public uint CurIdx;             //add  VER 22
            public uint TotalCnt;           //add  VER 22
        }

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#include "FiveWin.ch"

function Main()

   local aInfo := StructToArray( hb_memoRead( "Fichero001.txt" ) )

   MsgInfo( StructLen(), "CardId struct length" )

   MsgInfo( aInfo[ 1 ], "MachineId" )
   MsgInfo( aInfo[ 2 ], "NewRecordFlag" )
   MsgInfo( hb_hexToNum( hb_strToHex( aInfo[ 3 ] ) ), "CardId" )
   MsgInfo( hb_strToHex( aInfo[ 4 ] ), "Date" )
   MsgInfo( aInfo[ 5 ], "BackId" )
   MsgInfo( aInfo[ 6 ], "RecordType" )
   MsgInfo( hb_hexToNum( hb_strToHex( aInfo[ 7 ] ) ), "WorkType" )
   MsgInfo( aInfo[ 8 ], "Rsv" )
   MsgInfo( aInfo[ 9 ], "CurIdx" )
   MsgInfo( aInfo[ 10 ], "TotalCnt" )
   
return nil

#pragma BEGINDUMP

#include <hbapi.h>

typedef struct CCHEX_RET_RECORD_INFO_STRU_CARD_ID_LEN_7 
{
   unsigned int MachineId;
   unsigned char NewRecordFlag;
   unsigned char CardId[ 7 ];  // ademas en el nombre de la estructura se especifica CARD_ID_LEN_7
   unsigned char Date[ 4 ];
   unsigned char BackId;
   unsigned char RecordType;
   unsigned char WorkType[ 3 ];
   unsigned char Rsv;
   unsigned int CurIdx;
   unsigned int TotalCnt;
} CARDINFO;

HB_FUNC( STRUCTLEN )
{
   hb_retnl( sizeof( CARDINFO ) );
}

HB_FUNC( STRUCTTOARRAY )
{
   CARDINFO * data = ( CARDINFO * ) hb_parc( 1 );

   hb_reta( 10 );
   hb_storvni( data->MachineId, -1, 1 );      
   hb_storvni( data->NewRecordFlag, -1, 2 );      
   hb_storvclen( ( const char * ) data->CardId, 7, -1, 3 );      
   hb_storvclen( ( const char * ) data->Date, 4, -1, 4 );      
   hb_storvni( data->BackId, -1, 5 );
   hb_storvni( data->RecordType, -1, 6 );
   hb_storvclen( ( const char * ) data->WorkType, 3, -1, 7 );      
   hb_storvni( data->Rsv, -1, 8 );
   hb_storvni( data->CurIdx, -1, 9 );
   hb_storvni( data->TotalCnt, -1, 10 );
}   

#pragma ENDDUMP