Gets or sets the default state of the optional content group.
Property Value
On if the optional content group should be visible
when the document is displayed, Off otherwise.
Supported .NET Platforms: .NET 4.0 and higher, Windows Forms, ASP.NET, Windows Presentation Foundation 4.x, Silverlight 5, WinRT, Universal Windows Platform, Xamarin Mac, iOS & Android, Portable Class Library, .NET Core, .NET Standard
Target Platforms:Windows 10, Windows 8.1, Windows 8 , Windows 7, Windows Vista SP1 or later, Windows Server 2008, Windows Server 2008 R2