DioFileGetNumberOfBoards

File.

Returns number of file boards in DIO file previously opened using DioFileOpen command.

DioFileGetNumberOfBoards (hFile, pnNumBoards, pnStatus)

Name	Type	Comments
hFile	SHORT	File board handle returned by the function DioFileOpen.
pnNumBoards	PSHORT	Returns the number of file boards in the vector file.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

The following example creates a DIO file, adds a board and then returns the number of boards in the file:

SHORT nStatus, hFile, hFileBoard, nNumBoards;

DioFileOpen (szfilename, 1, &hFile, &nStatus);

if (hFile!=0 && nStatus==0)

{ DioFileInsertBoard (hFile, 1, &hFileBoard, &nStatus);

DioFileGetNumberOfBoards(hFile, &nNumBoards, &nStatus);

if (nNumBoards!=2)

prints(“Error: mismatch number of boards in file”);

return;}

}