| Class | Description | |
|---|---|---|
 | ApiBackgroundSize | Definition of paper frame size for nailboard and cable drawing. |
| ApiBackgroundSize.ApiSizeItem | Definition of default size of paper. |
| ApiCategoryName | Category name used for building of category tree in Library. |
| ApiDimVisibility | Definition of show dimension after creating entity. |
| ApiExchangeAddOnLength | Contains settings defining the global extra length behavior. |
| ApiFont | Definition of the settings for font, font size, and font style. |
| ApiGlobalAddOnLength | Definition of specific criteria for global extra length. |
| ApiGraphicsSettings2D | Definition of settings for 2D graphics. |
| ApiGraphicsSettings3D | Definition of settings for 3D graphics. |
| ApiIdentitySettings | Identity of the current user working with HpD. |
| ApiLengthCoefficient | List of possible value with a selected value (range of integer). |
| ApiLocalGridDividing | List of possible percents with a selected value. |
| ApiLocalGridSpacing | List of angles with a selected angle. |
| ApiNailDefault | Definition of symbol settings on the nailboard. |
| ApiNameTemplate | Definition of template for name object. |
| ApiPluginItem | Definition of plugins info. |
| ApiPluginSettings | Definition of plugin settings to use in application. |
| ApiProgramPar | Definition of program parameters. |
| ApiRecentProject | Recently opened project. |
| ApiRoundingSettings | Definition of rounding of displayed lengths. |
| ApiRPBase | Definition of base of rapid prototype part definitions. |
| ApiRPCableDefinition | Contains default rapid prototype cable definition. |
| ApiRPCapacitorDefinition | Definition of base of rapid prototype capacitor definition. |
| ApiRPConnectorDefinition | Definition of default values for rapid prototype connectors. |
| ApiRPFuseDefinition | Definition of base of rapid prototype fuse definition. |
| ApiRPLightDefinition | Definition of base of rapid prototype light definition. |
| ApiRPResistorDefinition | Definition of base of rapid prototype resistor definition. |
| ApiRPRibbonCableDefinition | Definition of default rapid prototype ribbon cable parameters. |
| ApiRPSpecialComponentDefinition | Definition of default values common for rapid prototype special components. |
| ApiRPSpliceDefinition | Definition of base of rapid prototype splice definition. |
| ApiRPWireDefinition | Definition of default rapid prototype wire parameters. |
| ApiSelectionList | List of values with a selected item. |
| ApiSelectionListItem | Value for selection list. |
| ApiToleranceSettings | Definition of length calculation settings. |
| ApiTransDictionarySetting | Definition of user defined translation. |
| ApiTreeNameItem | Item of template. |
| ApiTreeNameTemplate | Definition of name template for one occurrence in tree view. |
| ApiTreeNameTemplates | Definition of name templates for occurrence in tree view. |
| ApiUvBoolToBoolProcessor | Processor that converts booleans to booleans. |
| ApiUvBoolToColorProcessor | Processor that converts booleans to colors. |
| ApiUvBoolToStringProcessor | Processor that converts booleans to strings. |
| ApiUvColorToBoolProcessor | Processor that converts colors to boolean. |
| ApiUvColorToStringProcessor | Processor that converts colors to strings. |
| ApiUvProcessor | Processor converts value from one type to another. |
| ApiUvStringToBoolProcessor | Processor that converts strings to boolean. |
| ApiUvStringToColorProcessor | Processor that converts strings to colors. |
| ApiUvStringToStringProcessor | Processor that adds prefix and suffix. |
| AutoBackupSettings | Holds settings for automatic backup. |
| BackgroundGradient | Stores the two colors used for 3D window background. |
| BaseSelection | List of possible values with a selected value. |
| SeparatorTreeNameItem | Separator. |
| UvPropertyTreeNameItem | Property. |