Returns the number of the last file operation error recorded for any file channel.
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int _FError(void any)
void any; /* Pointer. */ |
Example
The following example uses _FOpen(В ) to attempt to open a file called Nofile.abc, which presumably doesn't exist. It then calls _FError(В ), which returns error number 2, for "file not found."
Visual FoxPro Code
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SET LIBRARY TO FERROR |
C Code
В | Copy Code |
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#include <pro_ext.h>
void putLong(long n)
{
Value val;
val.ev_type = 'I';
val.ev_long = n;
val.ev_width = 10;
_PutValue(&val);
}
FAR Example(ParamBlk FAR *parm)
{
FCHAN fchan = _FOpen("nofile.abc", FC_READONLY);
_PutStr("\nAttempted to _FOpen() a file which does not exist.");
_PutStr("\n_FError() ="); putLong(_FError());
}
FoxInfo myFoxInfo[] = {
{"FERROR", (FPFI) Example, CALLONLOAD, ""},
};
FoxTable _FoxTable = {
(FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
}; |
See Also