dfGetExtraDataSize Function
Summary
dfGetExtraDataSize provides extracting of the size of additional data which was saved in df-file when it was created.
Syntax
int dfGetExtraDataSize (
TDfHandle hDf,
size_t * pnExDataSize );
Arguments
hDf
[Input]
Special df-file descriptor, created by dfOpenDfFile function.
pnExDataSize
[Output]
Pointer on the variable where the requested value is placed.
Can not be NULL.
Return Values
If the function succeeds, the return value is zero (EDF_SUCCESS).
If the function fails, the return value is one of the following:
Remarks
If df-file does not contain additional data then function returns EDF_SUCCESS and *pnExDataSize is "0".
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