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FORMAT.C
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C/C++ Source or Header
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1997-05-06
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154 lines
// BDE32 3.x - (C) Copyright 1996 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 UINT16 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 = 0; // Handle to the database
hDBICur hCur = 0; // Handle to the table
DBIResult rslt; // Return value from IDAPI functions
CRTblDesc crTblDesc; // Create table descriptor
FMTDate fmtDate; // Date format
FMTTime fmtTime; // Time format
UINT16 uDispNumRecs = 10; // Number of records to add and
// display.
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 ***");
}