ESSG_OP_MEMBERANDUNIQUENAMEの例

次の例は、Grid API定数ESSG_OP_MEMBERANDUNIQUENAMEの使用方法を示しています。

      ESSG_VOID_T ESSG_BeginZoomIn(ESSG_HGRID_T hGrid)
{
 ESSG_STS_T      sts = ESS_STS_NOERR;
 ESSG_DATA_T  **ppDataIn;
 ESSG_DATA_T  **ppDataOut;
 ESSG_RANGE_T rDataRangeIn, rDataRangeOut;
 ESSG_ULONG_T ulOptions;
 ESSG_USHORT_T usCells;
 ESSG_RANGE_T pZoomCells;
 ESSG_USHORT_T usState;
 ESSG_USHORT_T usMember2Len, usKey2Len;
 ESSG_SHORT_T         sOption, sOptionGet;
    ESSG_SHORT_T         tmpShort, tmpShortGet, i;
    ESSG_PVOID_T         pOption, pOptionGet;
 ESSG_STR_T   pMember, pKey, pOutStr;
 ESSG_STR_T     pMember2, pKey2;
 

 /* connect the grid to a database on the server */
 sts = EssGConnect(hGrid, server, "essexer", pwd, app, db, ESSG_CONNECT_NODIALOG);
 
 /* set grid option*/
 tmpShort = ESSG_TRUE;
 sOption = ESSG_OP_MEMBERANDUNIQUENAME ;
 pOption = (ESSG_PVOID_T)tmpShort;     // pOption holds the actual value not a pointer
 
    sts = EssGSetGridOption(hGrid, sOption, pOption);
 printf("EssGSetGridOption  sts  %ld\n",sts);
 
 sOptionGet = ESSG_OP_MEMBERANDUNIQUENAME ;
    pOptionGet = &tmpShortGet;
    if(!sts) 
 {
       sts = EssGGetGridOption(hGrid, sOptionGet, pOptionGet);
    printf("EssGGetGridOption  sts  %ld\n",sts);
    printf("EssGSetGridOption set ESSG_OP_MEMBERANDUNIQUENAME TO %d\n",(int)tmpShortGet);
    }
 
 
 if(sts == 0)
 {
  ppDataIn = BuildTable(&rDataRangeIn); 
  
  ulOptions = ESSG_ZOOM_DOWN | ESSG_NEXTLEVEL;
  
  pZoomCells.ulRowStart = 0;
  pZoomCells.ulColumnStart = 2;
  pZoomCells.ulNumRows = 1;
  pZoomCells.ulNumColumns = 1;
  usCells = 1;
  
  /* start the zoom in operation */
  sts = EssGBeginZoomIn(hGrid, usCells, &pZoomCells, ulOptions);
  printf("EssGBeginZoomIn  sts:  %ld\n",sts);
 }
 
 //Display Input
 DisplayOutput(ppDataIn, rDataRangeIn); 
 printf("\n\n");
 if(sts == 0)
  /* send the entire grid to define the query */
  sts = EssGSendRows(hGrid, &rDataRangeIn, ppDataIn);
 
 if(sts == 0)
 {
  /* perform the zoom-in */
  sts = EssGPerformOperation(hGrid, 0);
 
  /* Free the built data */
  FreeTwoDim(ppDataIn, rDataRangeIn.ulNumRows);
 }
 if (sts == 0)
 {
  /* determine the results of the zoom-in */
  sts = EssGGetResults(hGrid, 0, &rDataRangeOut, &usState);
 }
 if(sts ==0)
 {
  /* get all the data */
  sts = EssGGetRows(hGrid, 0, &rDataRangeOut, &rDataRangeOut, &ppDataOut);
 }
 
 if(sts == 0)
 {
  DisplayOutput(ppDataOut, rDataRangeOut);
 

  /* Retreive member and key from cell */
  sts = EssGGetFromMemberwKey  (((ppDataOut[1][0]).Value).pszStr, &pMember, &pKey);
        printf("After EssGGetFromMemberwKey\n Member: %s, Key: %s \n\n",
       pMember+2, 
    pKey+2);
 
  //Member is  "Qtr1", Key is "[2004].[Qtr1]", pOutStr is in the format
  //nn<member-name>nn<key> - where nn is string length
 
  usMember2Len = strlen("Qtr1");
  pMember2 = malloc(usMember2Len+3);
        memset(pMember2, 0, usMember2Len+3);
  usKey2Len = strlen("[2004].[Qtr1]");
     pKey2 = malloc(usKey2Len+3);
        memset(pKey2, 0, usKey2Len+3);
 
  memcpy(pMember2, &usMember2Len, 2);
  memcpy(pMember2+2, "Qtr1", usMember2Len);
 
  memcpy(pKey2, &usKey2Len, 2);
  memcpy(pKey2+2, "[2004].[Qtr1]", usKey2Len);
 
  sts = EssGCreateMemberwKeyStr(pMember2, pKey2, &pOutStr);
 
  /*Note: because not all elements in pOutStr are actual characters,
     e.g. the 2 bytes for the size of Member and size of Key, plus the 
     \0 ending characters, the printf below does not display the actual
     contents of the array */
  for (i=0;i < usMember2Len + usKey2Len + 4 + 2; ++i)
  printf("%c", pOutStr[i]);
 

  /* Free the returned data */
  EssGFreeRows(hGrid, &rDataRangeOut, ppDataOut);
  sts = EssGFreeMemberwKeyStr (pOutStr);
 
 }
    
 if( sts == 0)
 {
  EssGEndOperation(hGrid, 0);
  EssGDisconnect(hGrid, 0);
 }
}