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RhinoDocBeginUndoRecord Method
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: 5.1.50000.0 (5.0.20693.0)
public uint BeginUndoRecord(
	string description


Type: SystemString
A text describing the record.

Return Value

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