Grasshopper API

Grasshopper API

Grasshopper.Kernel

GH_ActiveObject Class

GH_Arrange Enumeration

GH_AssemblyFolderInfo Structure

GH_AssemblyInfo Class

GH_AssemblyInfoStub Class

GH_AssemblyPriority Class

GH_Attributes(T) Class

GH_AttributesChangedEventArgs Class

GH_Author Class

GH_AutoSaveSettings Class

GH_AutoSaveSettings.AutoSaveFileFormatChangedEventHandler Delegate

GH_AutoSaveSettings.EnableAutoSaveChangedEventHandler Delegate

GH_AutoSaveSettings.SaveOnDataFlatteningChangedEventHandler Delegate

GH_AutoSaveSettings.SaveOnDocumentUnloadChangedEventHandler Delegate

GH_AutoSaveSettings.SaveOnObjectAddedChangedEventHandler Delegate

GH_AutoSaveSettings.SaveOnObjectChangeChangedEventHandler Delegate

GH_AutoSaveSettings.SaveOnObjectRemovedChangedEventHandler Delegate

GH_AutoSaveSettings.SaveOnWireEventChangedEventHandler Delegate

GH_AutoSaveTrigger Enumeration

GH_BakeUtility Class

GH_BitmapChannel Enumeration

GH_CharPatternParamNameConstructor Class

GH_ClipboardType Enumeration

GH_Component Class

GH_Component.GH_InputParamManager Class

GH_Component.GH_OutputParamManager Class

GH_ComponentPaletteStyle Enumeration

GH_ComponentParamServer Class

GH_ComponentParamServer.IGH_SyncObject Interface

GH_ComponentParamServer.NullParamAttributes Class

GH_ComponentParamServer.ParameterChangedEventHandler Delegate

GH_ComponentParamServer.ParameterNickNameChangedEventHandler Delegate

GH_ComponentParamServer.ParameterSourcesChangedEventHandler Delegate

GH_ComponentServer Class

GH_ComponentServer.GHAFileLoadedEventHandler Delegate

GH_ConnectivityDiagram Class

GH_ConnectivityDisparity Class

GH_ConnectivityNode Class

GH_Conversion Enumeration

GH_Convert Class

GH_CustomEventServer Class

GH_DataComparison Enumeration

GH_DataMapping Enumeration

GH_DebugDescriptionWriter Class

GH_DisplayExpiredEventArgs Class

GH_DocContextEventArgs Class

GH_DocEnabledEventArgs Class

GH_DocFilePathEventArgs Class

GH_DocModifiedEventArgs Class

GH_DocObjectEventArgs Class

GH_DocSettingsEventArgs Class

GH_Document Class

GH_Document.ContextChangedEventHandler Delegate

GH_Document.DefaultPreviewColourChangedEventHandler Delegate

GH_Document.DefaultSelectedPreviewColourChangedEventHandler Delegate

GH_Document.EnabledChangedEventHandler Delegate

GH_Document.EnableSolutionsChangedEventHandler Delegate

GH_Document.FilePathChangedEventHandler Delegate

GH_Document.GH_ActiveObjectFilter Delegate

GH_Document.GH_ScheduleDelegate Delegate

GH_Document.ModifiedChangedEventHandler Delegate

GH_Document.ObjectsAddedEventHandler Delegate

GH_Document.ObjectsDeletedEventHandler Delegate

GH_Document.SettingsChangedEventHandler Delegate

GH_Document.SolutionEndEventHandler Delegate

GH_Document.SolutionStartEventHandler Delegate

GH_Document.UndoStateChangedEventHandler Delegate

GH_DocumentAssociations Class

GH_DocumentContext Enumeration

GH_DocumentEventServer Class

GH_DocumentIO Class

GH_DocumentObject Class

GH_DocumentObject.ColourEventHandler Delegate

GH_DocumentRank Enumeration

GH_DocumentServer Class

GH_DocumentServer.DocumentAddedEventHandler Delegate

GH_DocumentServer.DocumentRemovedEventHandler Delegate

GH_DocumentSettings Enumeration

GH_DocumentTree Class

GH_DocumentTreeNode Class

GH_DocUndoEventArgs Class

GH_Exposure Enumeration

GH_ExternalFile Class

GH_ExternalFileType Enumeration

GH_FileSystemEventServer Class

GH_FileSystemEventServer.FileEvent Delegate

GH_FileWatcher Class

GH_FileWatcher.FileChanged Delegate

GH_FileWatcher.FileChangedSimple Delegate

GH_FileWatcherEvents Enumeration

GH_Filter Enumeration

GH_FontServer Class

GH_FontServer.ConsoleFamilyChangedEventHandler Delegate

GH_FontServer.ScriptFamilyChangedEventHandler Delegate

GH_FontServer.StandardFamilyChangedEventHandler Delegate

GH_Format Class

GH_GetterResult Enumeration

GH_GHALoadingEventArgs Class

GH_GHXHarvester Class

GH_GuidConflictSolution Enumeration

GH_IconDisplayMode Enumeration

GH_InstanceDescription Class

GH_LibraryLicense Enumeration

GH_LineParser Class

GH_LineParserAction Enumeration

GH_ListUtil Class

GH_LoadingAttribute Class

GH_LoadingDemand Enumeration

GH_LoadingInstruction Enumeration

GH_LoadingMechanism Enumeration

GH_MatchLevel Enumeration

GH_MatchWeight Enumeration

GH_MemoryBitmap Class

GH_ObjectChangedEventArgs Class

GH_ObjectEventType Enumeration

GH_ObjectSpecies Enumeration

GH_ObjectType Enumeration

GH_Param(T) Class

GH_ParamAccess Enumeration

GH_ParamData Enumeration

GH_ParameterContext Class

GH_ParameterSide Enumeration

GH_ParamHashFields Enumeration

GH_ParamKind Enumeration

GH_ParamServerEventArgs Class

GH_ParamWireDisplay Enumeration

GH_PatternMatching Class

GH_PatternMatching.MatchingMode Enumeration

GH_PersistentGeometryParam(T) Class

GH_PersistentParam(T) Class

GH_PersistentReferenceParam(T) Class

GH_PickBox Enumeration

GH_PingDocumentEventArgs Class

GH_PluginFolderType Enumeration

GH_PreviewArgs Class

GH_PreviewBoundary Class

GH_PreviewExpiredEventArgs Class

GH_PreviewFilter Enumeration

GH_PreviewMesh Enumeration

GH_PreviewMeshArgs Class

GH_PreviewMode Enumeration

GH_PreviewUtil Class

GH_PreviewWireArgs Class

GH_PrincipalState Enumeration

GH_ProcessStep Enumeration

GH_ProfilerMode Enumeration

GH_RelevantObjectData Class

GH_RelevantObjectFilter Enumeration

GH_RenderArgs Class

GH_RuntimeMessage Class

GH_RuntimeMessageLevel Enumeration

GH_SelectionState Enumeration

GH_SelectionTopology Enumeration

GH_SettingsServer Class

GH_SettingsType Enumeration

GH_SolutionEventArgs Class

GH_SolutionExpiredEventArgs Class

GH_SolutionMode Enumeration

GH_SolutionPhase Enumeration

GH_SolutionSpan Structure

GH_StateServer Class

GH_StateTag Class

GH_StateTag.DrawCallback Delegate

GH_StateTagLayoutDirection Enumeration

GH_StateTagList Class

GH_TaskCapableComponent(T) Class

GH_TimeKind Enumeration

GH_TypeLib Class

GH_UndoOperation Enumeration

GH_UpgradeUtil Class

GH_UserObject Class

GH_ValueProxy(T) Class

GH_ZuiAction Class

IGH_ActiveObject Interface

IGH_Attributes Interface

IGH_Author Interface

IGH_BakeAwareData Interface

IGH_BakeAwareObject Interface

IGH_Component Interface

IGH_ContextualComponent Interface

IGH_ContextualParameter Interface

IGH_ContextualParameter2 Interface

IGH_DataAccess Interface

IGH_DebugDescription Interface

IGH_DocumentObject Interface

IGH_DocumentObject.AttributesChangedEventHandler Delegate

IGH_DocumentObject.DisplayExpiredEventHandler Delegate

IGH_DocumentObject.ObjectChangedEventHandler Delegate

IGH_DocumentObject.PingDocumentEventHandler Delegate

IGH_DocumentObject.PreviewExpiredEventHandler Delegate

IGH_DocumentObject.SolutionExpiredEventHandler Delegate

IGH_DocumentOwner Interface

IGH_EventConsumer Interface

IGH_InitCodeAware Interface

IGH_InstanceDescription Interface

IGH_InstanceGuidDependent Interface

IGH_ObjectProxy Interface

IGH_Param Interface

IGH_PreviewArgs Interface

IGH_PreviewData Interface

IGH_PreviewMeshData Interface

IGH_PreviewObject Interface

IGH_RenderAwareData Interface

IGH_StateAwareObject Interface

IGH_StateTag Interface

IGH_TaskCapableComponent Interface

IGH_UpgradeObject Interface

IGH_UserPromptAware Interface

IGH_ValueProxy Interface

IGH_VariableParameterComponent Interface

IGH_ZuiAction Interface

IRcpAwareObject Interface

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GH_ParamKind Enumeration

Enumerates the different guises of parameter

Namespace: Grasshopper.Kernel
Assembly: Grasshopper (in Grasshopper.dll)

Syntax

public enum GH_ParamKind

Public Enumeration GH_ParamKind

Members

	Member name	Value	Description
	unknown	0	Unknown, when this happens, something went wrong. Most likely it is due to someone deriving from GH_Param and not setting the kind.
	floating	1	Parameter is top-level.
	input	2	Parameter is tied to an owner component as an input.
	output	3	Parameter is tied to an owner component as an output.

See Also

Reference

Grasshopper.Kernel Namespace

Grasshopper for Rhino 8.24.25281.15000 (2025-10-08)
Copyright © 2009-2025 Robert McNeel & Associates

Report wishes and bugs at discourse.mcneel.com