[gdal-dev] how to test the creation and deletion capability of ogr?

[atubar]

Here is my local code and result, is there something wrong?
 
char ** SUBDATASETS = GDALGetMetadata( (GDALDatasetH)m_pSrcDataset, "SUBDATASETS" );

After anterior code, for GTiff dataset, it return a NULL result.
So I am puzzled that whether  SUBDATASETS shared for GTiff?
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