Parameters for DeleteIdentical geoprocessing tool from vb.net

CarlosFraile — Wed, 29 May 2013 10:15:07 GMT

Hi all,
I'm trying to run DeleteIdentical geoprocessing tool from a piece of VB.net code, but I just get an error message:
[INDENT]Excepción del tipo 'System.Runtime.InteropServices.COMException' en ESRI.ArcGIS.Geoprocessor.dll
ERROR 000622: Failed to execute (Delete Identical). Parameters are not valid.
ERROR 000620: Input to parameter fields cannot be represented as a string.[/INDENT]

I know it's because of the parameter types.
Which is the right ArcObjects class I should use for parameter types 'Table View' and 'Field'??

My code:
[INDENT]
Private Sub unicos()
Dim GP As ESRI.ArcGIS.Geoprocessor.Geoprocessor = New ESRI.ArcGIS.Geoprocessor.Geoprocessor()
    Try
        Dim table As Geodatabase.Table = GetTable("C:\Users\cfraile\INSPE.shp")
        Dim fields() As Geodatabase.Field = GetField("C:\Users\cfraile\INSPE.shp", "Shape")

        Dim deldupTool As New DataManagementTools.DeleteIdentical(table, fields)
        GP.Execute(deldupTool, Nothing)

    Catch ex As Exception
        Dim sev As Object = 2
        Debug.Print(GP.GetMessages(sev))
    End Try
End Sub

Private Function GetTable(ByVal fullShapeFile As String) As Geodatabase.Table

    Dim pWorkspaceFactory As IWorkspaceFactory = New ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory
    Dim pFWS As IFeatureWorkspace = pWorkspaceFactory.OpenFromFile(IO.Path.GetDirectoryName(fullShapeFile), 0)
    Dim pfeatClass As IFeatureClass = pFWS.OpenFeatureClass(IO.Path.GetFileNameWithoutExtension(fullShapeFile))

    Dim ptab As Geodatabase.Table = pfeatClass
    Return ptab

End Function

Private Function GetField(ByVal fullShapeFile As String, fieldName as String) As Geodatabase.Field()

    Dim pWorkspaceFactory As IWorkspaceFactory = New ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory
    Dim pFWS As IFeatureWorkspace = pWorkspaceFactory.OpenFromFile(IO.Path.GetDirectoryName(fullShapeFile), 0)
    Dim pfeatClass As IFeatureClass = pFWS.OpenFeatureClass(IO.Path.GetFileNameWithoutExtension(fullShapeFile))

    Dim aField(0) As Geodatabase.Field
    aField(0) = pfeatClass.Fields.Field(pfeatClass.Fields.FindField(fieldName))
    Return aField

End Function
[/INDENT]
Thanks in advance!!

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Parameters for DeleteIdentical geoprocessing tool from vb.net