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| ArcObjects namespaces > CatalogUI > ESRI.ArcGIS.CatalogUI > Interfaces > IN > INetworkDirectionConfiguration Interface > INetworkDirectionConfiguration.PreTypeNames Property (ArcObjects .NET 10.4 SDK) | 
The prefix type direction field names.
[Visual Basic .NET] Public ReadOnly Property PreTypeNames As IStringArray
[C#] public IStringArray PreTypeNames {get;}