DiagramBase.ActionRecording Event

A validation event raised before an action is recorded in the undo buffer.

Namespace: MindFusion.Diagramming
Assembly: MindFusion.Diagramming

 Syntax

C#

public event EventHandler<UndoValidationEventArgs> ActionRecording

Visual Basic

Public Event ActionRecording As EventHandler(Of UndoValidationEventArgs)

 Remarks

Do not filter commands that create or delete items and groups. Otherwise, redoing or undoing recorded commands related to the items whose create/delete command is filtered will cause various exceptions. It should be safe to filter commands that modify item's appearance or position, change its selection state, scroll a table, etc.