Here are the classes, structs, unions and interfaces with brief descriptions:

CArgumentNamespace	Wraps a vector of string CL arguments with some helpful functionality
CArgumentParser	Performs the argument parsing and returns an ArgumentNamespace
Ccomplex_vector
CCurrentDensitySplitField
CDetectorSensitivityArrays
CDimensions
CElectricField
CElectricSplitField
CfdtdGridInitialiser	A class to initialise an FDTD grid from a MATLAB file
CField
CFieldSample
CFrequencyVectors
CFullFieldSnapshot
CGrid
CGridLabels
Cijk	A structure for holding three values, which typically pertain to the same quantity but for each of the axial directions
CInputFlags
CInputMatrices	Allows us to handle the MATLAB arrays from the input file in a human-readable format
CInterfaceComponent	Defines a plane over which a source/boundary condition is (or is not) to be applied
CInterpolationScheme	Executes an interpolation scheme
CMagneticField
CMagneticSplitField
CMatFileMatrixCollection
CMatrixCollection
CPerfectlyMatchedLayer
CPlanarInterface
CSimulationParameters	Class storing the various constants and behaviour flags for one executation of the tdms executable
CSource	Stores values of the Source field across a particular plane
CSourceIndex	Typedef for providing indices to the Source class
CSplitField	A split field defined over a grid
CSplitFieldComponent
CSurfacePhasors	A class that handles the extraction of the phasors on the user-specified surface
CSurfaceSpacingStride	A three-tuple of integers that contain the stride in each direction to extract the phasors on
CTDFieldExporter2D
CTimer	Stopwatch class
CVector
CVertexPhasors
CXYZTensor3D
CYeeCellDimensions	The x,y,z lengths of the cuboidal Yee cells