Instructs Rhino to begin recording undo information when the document is changed outside of a command. We use this, e.g., to save changes caused by the modeless layer or object properties dialogs when commands are not running.

Namespace: Rhino
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0

C#

public uint BeginUndoRecord(
	string description
)

VB

Public Function BeginUndoRecord ( 
	description As String
) As UInteger

description

Type: System.String
A text describing the record.

Type: UInt32
Serial number of record. Returns 0 if record is not started because undo information is already being recorded or undo is disabled.

Supported in: 5D58w

RhinoDoc Class
Rhino Namespace