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ArcObjects features not in featuredataset

Question asked by purplecruz on Sep 22, 2015
Latest reply on Sep 22, 2015 by FGibson-esristaff

I am trying to loop through layers in a map and return the name of the feature dataset.  I will then be performing some task on features in a specific feature dataset.  My map however is complex and includes some layers that do not reside in a feature dataset.  My code errors at this point.  I would like to somehow step over these layers without error.  The line If pFeatureLayer.DataSourceType = "SDE Feature Class" is an attempt to limit my results since all of those layers reside in a feature dataset but that doesn't seem to be working.  I am new to ArcObject so any help would be greatly appreciated!


Here is my code:

            Dim pMapDocument As IMapDocument = New MapDocument()
            If pMapDocument.IsMapDocument(destfile) Then
                pMapDocument.Open(destfile, Nothing)
                Dim pMap As IMap
                Dim i As Integer
                For i = 0 To pMapDocument.MapCount - 1 Step 1 + 1
                    pMap = pMapDocument.Map(i)
                    Dim pEnumLayer As IEnumLayer
                    Dim pID As New UID
                    Dim pFeatureClass As IFeatureClass
                    Dim pDataset As IDataset
                    Dim pFeatureLayer As IFeatureLayer2
                    pID.Value = "{6CA416B1-E160-11D2-9F4E-00C04F6BC78E}"
                    pEnumLayer = pMap.Layers(pID, True)
                    pFeatureLayer = CType(pEnumLayer.Next, IFeatureLayer2)
                    Do Until pFeatureLayer Is Nothing
                        If pFeatureLayer.DataSourceType = "SDE Feature Class" Then
                            pFeatureClass = pFeatureLayer.FeatureClass
                            pDataset = pFeatureClass.FeatureDataset
                        End If
                        pFeatureLayer = CType(pEnumLayer.Next, IFeatureLayer2)
                Next i
            End If