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| ArcObjects Help for .NET developers > ArcObjects namespaces > CatalogUI > ESRI.ArcGIS.CatalogUI > Interfaces > IN > INetworkDirectionConfiguration Interface > INetworkDirectionConfiguration.PreDirNames Property (ArcObjects .NET 10.5 SDK) | 
The prefix direction field names.
[Visual Basic .NET] Public ReadOnly Property PreDirNames As IStringArray
[C#] public IStringArray PreDirNames {get;}