NITF Functions:
 Getting and Setting Header Information

LNITFFile::GetGraphicHeaderCount

LNITFFile::GetGraphicHeader

LNITFFile::SetGraphicHeader

LNITFFile::GetImageHeaderCount

LNITFFile::GetImageHeader

LNITFFile::SetImageHeader

LNITFFile::GetTextHeaderCount

LNITFFile::GetTextHeader

LNITFFile::SetTextHeader

LNITFFile::GetNITFHeader

LNITFFile::SetNITFHeader

LNITFFile::FreeGraphicHeader

LNITFFile::FreeImageHeader

LNITFFile::FreeTextHeader

LNITFFile::FreeNITFHeader