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

[detail level 12]

CAboutForm	Form to show some informations
CBranch	Abstract class for branch power elements
CBufferMeshCoords
CBus	Node for power elements. All others power elements are connected through this
CBusElectricalData
CBusForm	Form to edit the bus power data
CCamera	Class responsible for the correct visualization of the elements on screen
CCapacitor	Shunt capactior power element
CCapacitorElectricalData
CChartView	This class is responsible to manage the charts generated in the transient electromechanical studies
CConnectionLine	Connection between two control elements or other connection line and an element
CConstant	A control element that provides a constant value
CConstantForm	Form to edit the constant control data
CControlEditor
CControlElement
CControlElementButton	This class is responsible to handle the user interaction with control elements
CControlElementContainer	Class that can contain all control elements. Can identify (using RTTI) the elements from a generic list and store them separately
CControlElementSolver	Solves in the time the control system. Can solve the control system directly from a ControlEditor or from a ControlEditorElement
CControlSystemTest	Form to edit properties to test the control system created
CDataReport	Form that shows the results of power flow and fault calculations
CDebugMainFrame
CDebugMainFrameBase
CDivider	Control element that divides two inputs
CElectricCalculation	Base class of electric calculations, with general methods
CElectromechanical	Calculates the electromechanical transient based on disturbances (e.g. system fault)
CElement	Base class of all elements of the program. This class is responsible for manage graphical and his data
CElementDataObject	Class to store the elements in the clipboard
CElementPlotData
CElementsLists
CExponential	Generates an output following an exponential function
CExponentialForm	Form to edit the exponential control data
CFault	Calculate the fault of the system and update the elements data
CFileHanding	Save and opens the projects created on disk
CFreqResponseData
CFrequencyResponseForm
CGain	Provide an output multiplying the input by a constant
CGainForm	Form to edit the gain control data
CGCText	Class to draw text on Graphics Context using wxWidgets
CGeneralData
CGeneralPropertiesForm	Form to edit the software's general data
CGeneratorStabForm	Form to edit the synchronous generator data for electromechanical studies
►CGraphAutoLayout
CGraphLayoutEdge
CGraphLayoutNode
CGraphicalElement	Abstract class for graphical elements shown with power elements in workspace
CHarmCurrent	Shunt Harmonic Corrent Source
CHarmCurrentElectricalData
CHarmCurrentForm
CHMPlane
CImportForm	Form to import other programs files to PSP
CIndMotor	Induction motor power element
CIndMotorElectricalData
CIndMotorForm	Form to edit the induction motor power data
CInductor	Inductor shunt power element
CInductorElectricalData
CIntegrationConstant	Integration constants to calculate dynamic elements through trapezoidal integration method
CIOControl	Provides the communication with the power element
CIOControlForm	Form to edit the input/output control data
CLimiter	Limits the input value by superior and inferior values
CLimiterForm	Form to edit the limit control data
CLine	Power line element
CLineElectricalData
CLineForm	Form to edit the line power data
CLoad	Loas shunt power element
CLoadElectricalData
CLoadForm	Form to edit the load power data
CMachines	Abstract class for rotary machines power elements
CMainApp
CMainFrame	Main frame of the program. This class manage the ribbon menu and the notebook behavior
CMainFrameBase
CMathExpression	A generic math expression block that can perform math and conditional operations with the inputs
CMathExpressionForm
CMathExprParser
CMathOperation	Abstract class that define the general behavior of math operation control block
CMultiplier	Multiplies two inputs
CNode	Node of a control element. This class manages the user interaction with the connection and control elements
►CParseAnarede	Class responsible to parse ANAREDE files to import data to PSP
CBranchData
CBusData
CComponent
CIndElementData
CIndGenData
CPowerLine
►CParseMatpower
CBranchData
CBusData
CGenData
CPlotData	This class is responsible to manage the graphical data of electromechanical result to be plotted on chart viewer
CPowerElement	Abstract class of power elements
CPowerFlow	Calculate the power flow
►CPowerQuality	Responsible for the power quality calculations
CHarmonicYbus
CProjectPropertiesForm
CPropertiesData	General and simulation data manager
CRateLimiter	Limits the rising and/or falling rate.
CRateLimiterForm	Form to edit the rate limit control data
CReactiveLimits
CReactiveShuntElementForm	Form to edit the reactive shunt element power data
CShunt	Abstract class for shunt power elements
CSimulationData
CSimulationsSettingsForm	Form to edit the simulation data
CStabilityEventList
CSum	Sum the all inputs (can choose the input signal)
CSumForm	Form to edit the sum control data
CSwitchingData	Switching data of power elements
CSwitchingForm	Form to edit the switching data of power elements for electromechanical transient studies
CSyncGenerator	Synchronous generator power element
CSyncGeneratorElectricalData
CSyncMachineForm	Form to edit the synchronous machine power data
CSyncMachineModelData	Synchronous machine data for different models
CSyncMotor	Synchronous motor (synchronous compensator) power element
CSyncMotorElectricalData
CText	Element that shows power element informations in workspace
CTextForm	Form to edit the text graphical data
►CTransferFunction	Calculates the time response by a frequency domain transfer function
CSpaceState
CTransferFunctionForm	Form to edit the transfer function control data
CTransformer	Two-winding transformer power element
CTransformerElectricalData
CTransformerForm	Form to edit the transformer power data
CWorkspace	This class manages the graphical and power elements. It is responsible for handling the user's interaction with the elements
CXMLParser	XML parser to save and open project and control files