DICOM dataset can be easily written to a file:
DcmDataset dataset;
// ...
DcmFile file("dicom.dcm");
file.write(dataset);
By default Implicit Little Endian transfer syntax (1.2.840.10008.1.2) is used
when writing DICOM files. But any other syntax can be used as well:
DcmDataset dataset;
// ...
DcmFile file("dicom.dcm");
file.write(dataset, DcmTransferSyntax::ExplicitLittleEndian);
Pay attention that TransferSyntaxUID (0002, 0010) tag in a dataset object is
modified according to the syntax used when writing a file.