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
| В | Copy Code |
|---|---|
SET LIBRARY TO RETCURR ? xntom(100.1) | |
C Code
| В | Copy Code |
|---|---|
#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
}; | |
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