# Markup class

Namespace: [Rhino.DocObjects](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.docobjects.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md)

```cs
[Serializable]
public sealed class Markup : ModelComponent
```

Markup elements that store image data when users create markups

## Constructors

- [Markup](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/ctor.md): (2 overloads) Create a new instance of a Markup

## Properties

- [Bitmap](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/bitmap.md)
- [Comments](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/comments.md)
- [ComponentType](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/componenttype.md): Returns [ModelComponentType.Markup](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponenttype.md).
- [Created](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/created.md)
- [CreatedBy](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/createdby.md)
- [IsUnset](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/isunset.md): Returns true if the markup is unset.
- [Modified](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/modified.md)
- [ModifiedBy](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/modifiedby.md)
- [Name](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/name.md)

## Methods

- [CopyToClipboard](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/copytoclipboard.md)
- [ReadRevisionHistory](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/readrevisionhistory.md)
- [Thumbnail](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/thumbnail.md)
- [WriteToFile](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.markup/writetofile.md)

## Inherited Members

- From [ModelComponent](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent.md): [ComponentStatus](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/componentstatus.md), [DeletedName](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/deletedname.md), [HasId](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/hasid.md), [HasIndex](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/hasindex.md), [HasName](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/hasname.md), [Id](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/id.md), [IdIsLocked](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/idislocked.md), [Index](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/index.md), [IndexIsLocked](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/indexislocked.md), [InstanceDefinitionModelSerialNumber](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/instancedefinitionmodelserialnumber.md), [IsComponentStatusLocked](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/iscomponentstatuslocked.md), [IsDeleted](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/isdeleted.md), [IsReference](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/isreference.md), [IsSystemComponent](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/issystemcomponent.md), [ModelSerialNumber](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/modelserialnumber.md), [NameIsLocked](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/nameislocked.md), [ReferenceModelSerialNumber](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/referencemodelserialnumber.md), [ClearId](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/clearid.md), [ClearIndex](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/clearindex.md), [ClearName](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/clearname.md), [DataCRC](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/datacrc.md), [LockId](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/lockid.md), [LockIndex](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/lockindex.md), [LockName](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/lockname.md), [ToString](https://developer.rhino3d.com/api/rhinocommon/type/rhino.docobjects.modelcomponent/tostring.md)
- From [CommonObject](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject.md): [Disposed](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/disposed.md), [HasUserData](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/hasuserdata.md), [IsDocumentControlled](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/isdocumentcontrolled.md), [IsValid](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/isvalid.md), [UserData](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/userdata.md), [UserDictionary](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/userdictionary.md), [ConstructConstObject](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/constructconstobject.md), [Dispose](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/dispose.md), [EnsurePrivateCopy](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/ensureprivatecopy.md), [GetObjectData](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/getobjectdata.md), [IsValidWithLog](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/isvalidwithlog.md), [NonConstOperation](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/nonconstoperation.md), [OnSwitchToNonConst](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/onswitchtononconst.md), [ToJSON](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.commonobject/tojson.md)