TeslaRel410/BORLAND/BDE/EXAMPLES/SNIPIT/FORMAT.C

// BDE - (C) Copyright 1995 by Borland International

// format.c
#include "snipit.h"

static const char szTblName[] = "FORMAT";
static const char szTblType[] = szPARADOX;

// Field descriptor used in creating a table.
static SNIPFAR FLDDesc fldDesc[] = {
              { // Field 1 - DATE
                1, "DATE", fldDATE, fldUNKNOWN,
                0, 0, 0, 0, 0, fldvNOCHECKS, fldrREADWRITE
              },
              { // Field 2 - TIME
                2, "TIME", fldTIME, fldUNKNOWN,
                0, 0, 0, 0, 0, fldvNOCHECKS, fldrREADWRITE
              }
             }; // Array of field descriptors.

// The number of fields in the table.
static const unsigned uNumFields = sizeof(fldDesc) / sizeof (fldDesc[0]);

//=====================================================================
//  Function:
//          Format();
//
//  Description:
//          This example shows how to change the formatting of
//          Date and Time fields.
//=====================================================================
void
Format (void)
{
    hDBIDb      hDb;                // Handle to the database
    hDBICur     hCur;               // Handle to the table
    CRTblDesc   crTblDesc;          // Create table descriptor
    FMTDate     fmtDate;            // Date format
    FMTTime     fmtTime;            // Time format
    UINT16      uDispNumRecs = 10;  // Number of records to add and
                                    //   display
    DBIResult   rslt;               // Return value from IDAPI functions

    Screen("*** Changing the format of Date and Time ***\r\n");

    BREAK_IN_DEBUGGER();

    Screen("    Initializing IDAPI...");
    if (InitAndConnect(&hDb) != DBIERR_NONE)
    {
        Screen("\r\n*** End of Example ***");
        return;
    }

    Screen("    Setting the database directory...");
    rslt = DbiSetDirectory(hDb, (pCHAR) szTblDirectory);
    ChkRslt(rslt, "SetDirectory");

    Screen("    Initializing the table descriptor...");
    memset((void *) &crTblDesc , 0, sizeof(CRTblDesc));
    strcpy(crTblDesc.szTblName, szTblName);
    strcpy(crTblDesc.szTblType, szTblType);
    crTblDesc.iFldCount = uNumFields;
    crTblDesc.pfldDesc = fldDesc;

    Screen("    Creating the %s table...", szTblName);
    rslt = DbiCreateTable(hDb, TRUE, &crTblDesc);
    if (ChkRslt(rslt, "CreateTable") != DBIERR_NONE)
    {
        CloseDbAndExit(&hDb);
        Screen("\r\n*** End of Example ***");
        return;
    }            

    Screen("    Fill the table with random data...");
    FillTable(hDb, (pCHAR) szTblName, (pCHAR) szTblType, uDispNumRecs);

    Screen("    Open the %s table...", szTblName);
    rslt = DbiOpenTable(hDb, (pCHAR) szTblName, (pCHAR) szTblType,
                        NULL, NULL, 0, dbiREADONLY, dbiOPENSHARED,
                        xltFIELD, FALSE, NULL, &hCur);
    if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
    {
        CloseDbAndExit(&hDb);
        Screen("\r\n*** End of Example ***");
        return;
    }

    Screen("    Display the %s table with default date and time formats...",
           szTblName);
    DisplayTable(hCur, uDispNumRecs);

    // Get the format of the date.
    rslt = DbiGetDateFormat(&fmtDate);
    ChkRslt(rslt, "GetDateFormat");

    Screen("\r\n    Change the date format: toggle between MM/DD/YY and"
           " DD/MM/YY...");
    if (fmtDate.iDateMode)
    {
        fmtDate.iDateMode = 0;
    }
    else
    {
        fmtDate.iDateMode = 1;
    }

    // Change the format of the date.
    rslt = DbiSetDateFormat(&fmtDate);
    ChkRslt(rslt, "SetDateFormat");

    // Get the time format.
    rslt = DbiGetTimeFormat(&fmtTime);
    ChkRslt(rslt, "GetTimeFormat");

    Screen("    Change the time format: toggle between 12 and 24 hour"
           " clock...");
    if (fmtTime.bTwelveHour)
    {
        fmtTime.bTwelveHour = 0;
    }
    else
    {
        fmtTime.bTwelveHour = 1;
    }

    // Change the time format.
    rslt = DbiSetTimeFormat(&fmtTime);
    ChkRslt(rslt, "SetDateFormat");

    // Set the cursor to the beginning of the table.
    rslt = DbiSetToBegin(hCur);
    ChkRslt(rslt, "SetToBegin");

    Screen("    Display the \"%s\" table with the date and time"
           " formats changed...", szTblName);
    DisplayTable(hCur, uDispNumRecs);

    Screen("\r\n    Close the %s table...", szTblName);
    rslt = DbiCloseCursor(&hCur);
    ChkRslt(rslt, "CloseCursor");

    Screen("    Deleting the %s table...", szTblName);
    rslt = DbiDeleteTable(hDb, (pCHAR) szTblName, (pCHAR) szTblType);
    ChkRslt(rslt, "DeleteTable");

    Screen("    Close the database and exit IDAPI...");
    CloseDbAndExit(&hDb);

    Screen("\r\n*** End of Example ***");
}