_EdOpenFile( ) API Library Routine

Visual FoxPro 9.0 SP2

_EdOpenFile( ) API Library Routine


WHANDLE _EdOpenFile(TEXT filename, int mode) TEXT filename; /* File to open. / int mode; / Mode option. */

Remarks

The following mode options are available: FO_READONLY, FO_WRITEONLY, and FO_READWRITE.

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 opens an editor session for a file specified by a parameter.

Visual FoxPro Code

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SET LIBRARY TO EDOPEN = EDOPEN("x") && opens editor session for file "x"

C Code

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#include <pro_ext.h> FAR Example(ParamBlk FAR parm) { #define pFILENAME ((char FAR ) _HandToPtr(parm->p[0].val.ev_handle)) WHANDLE wh; if (!_SetHandSize(parm->p[0].val.ev_handle, parm->p[0].val.ev_length+1)) { _Error(182); // "Insufficient memory" } pFILENAME[parm->p[0].val.ev_length] = '\0'; _HLock(parm->p[0].val.ev_handle); wh = _EdOpenFile(pFILENAME, FO_READWRITE); _HUnLock(parm->p[0].val.ev_handle); } FoxInfo myFoxInfo[] = { {"EDOPEN", (FPFI) Example, 1, "C"}, }; FoxTable _FoxTable = { (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo };

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#include <pro_ext.h>
FAR Example(ParamBlk FAR *parm)
{
#define pFILENAME ((char FAR *) _HandToPtr(parm->p[0].val.ev_handle))
   WHANDLE wh;
   if (!_SetHandSize(parm->p[0].val.ev_handle,
      parm->p[0].val.ev_length+1))
   {
      _Error(182); // "Insufficient memory"
   }
   pFILENAME[parm->p[0].val.ev_length] = '\0';
   _HLock(parm->p[0].val.ev_handle);
   wh = _EdOpenFile(pFILENAME, FO_READWRITE);
   _HUnLock(parm->p[0].val.ev_handle);
}
FoxInfo myFoxInfo[] = {
   {"EDOPEN", (FPFI) Example, 1, "C"},
};
FoxTable _FoxTable = {
   (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
};

_EdOpenFile( ) API Library Routine

Remarks

Example

Visual FoxPro Code

C Code

See Also

Reference

Other Resources