SPView.PersonalView property

Gets a Boolean value that indicates whether the view is personalized.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public bool PersonalView { get; }

Property value

Type: System.Boolean
true if the view is personalized; otherwise, false.

After a view is created as either a personal view or a public view through the user interface, it cannot be changed.