# GroupObject class

Namespace: [Grasshopper2.SpecialObjects](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.specialobjects.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
[IoId("00000000-a510-4750-84a8-2494cf1a3b17")]
[Author("DavidR")]
public sealed class GroupObject : DocumentObject, IGuidAware, IPinCushion
```

## Constructors

- [GroupObject](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/ctor.md): (4 overloads)

## Properties

- [Connectivity](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/connectivity.md)
- [Content](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/content.md): Enumerate over all resolvable objects contained in this group. Note that this does *not* include objects contained within groups which are themselves part of this group.
- [ContentIds](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/contentids.md): Enumerate over all the instance IDs of the objects contained in this group.
- [GroupColour](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/groupcolour.md)
- [Pins](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/pins.md)
- [State](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/state.md)
- [SupportedPins](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/supportedpins.md)

## Methods

- [AddContent](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/addcontent.md): Add content to this group.
- [AppendToInputPanel](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/appendtoinputpanel.md)
- [Compute](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/compute.md)
- [CreateAttributes](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/createattributes.md)
- [Expire](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/expire.md)
- [ExpireDueToPin](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/expireduetopin.md): Expire all objects contained within this group which can be associated with the given pin ID, but which do not have that pin attached to them.
- [IGuidAware.ApplyIdMap](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/grasshopper2-doc-iguidaware-applyidmap.md)
- [IsContent](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/iscontent.md): Gets whether this group contains the given object. This method does not test whether this group contains a group which contains the object.
- [IsContentRecursive](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/iscontentrecursive.md): Gets whether this group, or any of its child groups contains the given object.
- [RemoveContent](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/removecontent.md): Remove content from this group.
- [Store](https://developer.rhino3d.com/api/gh2/type/grasshopper2.specialobjects.groupobject/store.md)

## Inherited Members

- From [DocumentObject](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject.md): [Activity](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/activity.md), [Attributes](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/attributes.md), [ChildrenObjects](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/childrenobjects.md), [CustomValues](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/customvalues.md), [Display](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/display.md), [DisplayCapable](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displaycapable.md), [DisplayName](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displayname.md), [DisplayStyle](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displaystyle.md), [Document](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/document.md), [EntireFamily](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/entirefamily.md), [FoundingObject](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/foundingobject.md), [Icon](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/icon.md), [IconInternal](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/iconinternal.md), [InstanceId](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/instanceid.md), [Nomen](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/nomen.md), [Obsolete](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/obsolete.md), [ParentObject](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/parentobject.md), [Phase](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/phase.md), [ProgressPercentage](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/progresspercentage.md), [Relevance](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/relevance.md), [Selected](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/selected.md), [Selection](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/selection.md), [SiblingObjects](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/siblingobjects.md), [UserName](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/username.md), [ActivityChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/activitychanged.md), [AutosaveRequested](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/autosaverequested.md), [DisplayChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displaychanged.md), [DocumentChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/documentchanged.md), [Expired](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/expired.md), [InstanceIdChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/instanceidchanged.md), [LayoutChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/layoutchanged.md), [NameChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/namechanged.md), [RelevanceChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/relevancechanged.md), [SelectedChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/selectedchanged.md), [AddUndoRecord](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/addundorecord.md), [AppendBakeInput](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/appendbakeinput.md), [AppendStateInput](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/appendstateinput.md), [AppendUserNameInput](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/appendusernameinput.md), [ChangeInstanceIds](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/changeinstanceids.md), [DisplayBounds](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displaybounds.md), [DisplayFaces](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displayfaces.md), [DisplayWires](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/displaywires.md), [ExpireDisplay](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/expiredisplay.md), [GetCreationInfo](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/getcreationinfo.md), [GetModificationInfo](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/getmodificationinfo.md), [InvalidateExistingLayout](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/invalidateexistinglayout.md), [ModifyIcon](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/modifyicon.md), [ModifyNameAndInfo](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/modifynameandinfo.md), [OnDisplayChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/ondisplaychanged.md), [OnExpired](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/onexpired.md), [OnLayoutChanged](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/onlayoutchanged.md), [OverrideAttributes](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/overrideattributes.md), [RequestAutoSave](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/requestautosave.md), [SetCreationInfo](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/setcreationinfo.md), [SetModificationInfo](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/setmodificationinfo.md), [SetProgressPercentage](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/setprogresspercentage.md), [UpdateDisplay](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.documentobject/updatedisplay.md)