Sets the library return value to a currency value.
void _RetCurrency(CCY money, int width) CCY money; /* CCY - LARGE_INTEGER. */ int width; /* Number of columns to display. */ |
Remarks
For more information on how to create an API library and integrate it with Visual FoxPro, see Accessing the Visual FoxPro API.
Example
The following example converts a numeric type value to currency type value.
Visual FoxPro Code
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SET LIBRARY TO RETCURR ? xntom(100.1) |
C Code
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#include <pro_ext.h> #include <math.h> void FAR retcurr(ParamBlk FAR *parm) { CCY money; money.HighPart = (long) (parm->p[0].val.ev_real*10000 / pow(2,32)); money.LowPart = (unsigned long) ((parm->p[0].val.ev_real - (double) (money.HighPart * pow(2,32)/10000.0)) *10000); _RetCurrency(money,25); } FoxInfo myFoxInfo[] = { {"XNTOM", (FPFI) retcurr, 1, "N"} }; FoxTable _FoxTable = { (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo }; |