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

[detail level 123]

►Nopenstudio
►Nmeasuretab
CMeasureStepController
CMeasureStepItem
CMeasureStepItemDelegate
CNewMeasureDropZone
CRectangularDropZone
CWorkflowController
CWorkflowSectionContentView
CWorkflowSectionItem
CWorkflowSectionItemDelegate
CWorkflowSectionView
CWorkflowStepButton
CWorkflowStepController
CWorkflowStepView
CAbstractButtonItem
CAddButton
CAddScriptButton
CAspectRatio
CBaseApp
CBaseConcept
CBCLMeasureDialog
CBlueButton
CBoolInputView
CBuildingComponentDialog
CBuildingComponentDialogCentralWidget
CBusyWidget
CButtonItem
CCheckBoxConcept
CCheckBoxConceptBoolReturn
CChoiceConcept	Concept of being able to get and set std::string choices
CChoiceInputView
CCloudLostConnectionButton
CCloudOffButton
CCloudOnButton
CCloudStartingButton
CCloudStoppingButton
CCollapsibleComponent
CCollapsibleComponentHeader
CCollapsibleComponentList
CComboBoxConcept
CComponent
CComponentList
CConceptProxy
CCreateFromFileButton
CCreateOneForEachSelectedMeasureButton
CCreateOneWithSelectedMeasuresButton
CDarkGradientHeader
CDataSource	Provides a Concept with an alternative source of data
CDataSourceAdapter
CDoubleInputView
CDownButton
CDropZoneConcept
CDuplicateButton
CEditController
CEditNullView
CEditRubyMeasureView
CGrayButton
CGridLayoutItem
CGridViewDropZoneVectorController
CHeaderToggleButton
CHeading
CHolder
CHorizontalHeaderPushButton
CHorizontalHeaderWidget
CInputCheckBox
CInputComboBox
CInputController
CInputView
CIntegerInputView
CLibraryGroupItem
CLibraryGroupItemDelegate
CLibraryGroupItemHeader
CLibraryGroupListController
CLibraryItem
CLibraryItemDelegate
CLibraryItemView
CLibraryListController
CLibrarySubGroupItem
CLibrarySubGroupItemDelegate
CLibrarySubGroupItemHeader
CLibrarySubGroupListController
CLibraryTypeItem
CLibraryTypeItemDelegate
CLibraryTypeListController
CLightGradientHeader
CLightHeader
CLightHeaderToggleButton
CLoadNameConcept
CLocalLibrary
CLocalLibraryController
CLocalLibraryView
CLostCloudConnectionDialog
CMeasureBadge
CMeasureDragData
CMeasureManager
CMyMeasuresFolderButton
CNameLineEditConcept
CNetworkProxyDialog
CObjectSelector
COpenDirectoryButton
COptionalQuantityEditConcept
COptionalQuantityEditVoidReturnConcept
COptionalValueEditConcept
COptionalValueEditVoidReturnConcept
COrangeButton
COSCheckBox2
COSCheckBox3
COSCollapsibleView
COSComboBox2
COSComboBoxDataSource
COSDialog
COSDoubleEdit2	Should only be used for dimensionless real fields
COSDragableView
COSDragPixmapData
COSGraphicsItemDelegate	The purpose of OSGraphicsItemDelegate is the same as OSItemDelegate except it is used with QGraphicsObject instances instead of QWidget instances
COSGridController
COSGridView
COSHeader
COSIntegerEdit2
COSItemDelegate	The purpose of OSItemDelegate is to create a visual representation of an OSListItem and to connect the data provided by an OSListItem to the view
COSItemSelectionController
COSItemType
COSLineEdit2
COSListController	The purpose of OSListController is to provide an ordered list of items and signal when items have been added and removed
COSListItem	The purpose of OSListItem is to encapsulate data and if necessary notify when the data changes
COSListView	The purpose of OSListView is to display a list of items in a vertical column
COSLoadNamePixmapLineEdit
COSObjectListCBDS
COSQObjectController
COSQuantityEdit2
COSSwitch2
COSUnsignedEdit2
COSViewSwitcher
CPageNavigator
CPlayButton
CProcessEventsProgressBar
CQuantityEditConcept
CQuantityEditVoidReturnConcept
CQuantityLineEdit
CRemoveButton
CRemoveButtonItem
CRenderingColorConcept
CSofterAddButton
CSofterDuplicateButton
CSofterRemoveButton
CStringInputView
CSyncMeasuresDialog
CSyncMeasuresDialogCentralWidget
CTextEditDialog
CTIDItemModel
CUpButton
CValueEditConcept
CValueEditVoidReturnConcept
CWaitDialog
CWidgetLocation
CZoomInButtonItem
CZoomOutButton
CZoomOutButtonItem
CEnumBase
COSVectorController
CQAbstractButton
CQAbstractItemModel
CQCheckBox
CQComboBox
CQGraphicsObject
CQLabel
CQLineEdit
CQObject
CQPushButton