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| ArcObjects Help for .NET developers > ArcObjects namespaces > ArcScene > ESRI.ArcGIS.ArcScene > Interfaces > IS > ISxDocumentEvents Interface > ISxDocumentEvents.OpenDocument Event (ArcObjects .NET 10.5 SDK) | 
Fired when a document is opened.
[Visual Basic .NET] Public Event OpenDocument As OpenDocumentEventHandler
[C#] public event OpenDocumentEventHandler OpenDocument