' Copyright 2012 ESRI
' 
' All rights reserved under the copyright laws of the United States
' and applicable international laws, treaties, and conventions.
' 
' You may freely redistribute and use this sample code, with or
' without modification, provided you include the original copyright
' notice and use restrictions.
' 
' See the use restrictions.
' 

Option Strict Off
Option Explicit On

<System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)> _
<System.Runtime.InteropServices.Guid(FeatureRemovalExt.GUID)> _
<System.Runtime.InteropServices.ProgId(FeatureRemovalExt.PROGID)> _
Public Class FeatureRemovalExt
  Implements ESRI.ArcGIS.Schematic.ISchematicFeatureRemovalExtended

  Public Const GUID As String = "EBBE13D2-0996-4bb9-BEB8-8781FD8A1A23"
  Public Const PROGID As String = "CustomExtCriteriaVB.FeatureRemovalExt"

  ' Register/unregister categories for this class
#Region "Component Category Registration"
  <System.Runtime.InteropServices.ComRegisterFunction()> _
  Public Shared Sub Register(ByVal regKey As String)
    ESRI.ArcGIS.ADF.CATIDs.SchematicRulesExtendedCriteria.Register(regKey)
  End Sub

  <System.Runtime.InteropServices.ComUnregisterFunction()> _
  Public Shared Sub Unregister(ByVal regKey As String)
    ESRI.ArcGIS.ADF.CATIDs.SchematicRulesExtendedCriteria.Unregister(regKey)
  End Sub
#End Region

#Region "ISchematicFeatureRemovalExtended Implementations"
  Public Function Evaluate(ByVal schematicFeature As ESRI.ArcGIS.Schematic.ISchematicInMemoryFeature) As Boolean Implements ESRI.ArcGIS.Schematic.ISchematicFeatureRemovalExtended.Evaluate

    ' if not the right class do nothing
    If schematicFeature.SchematicElementClass.Name <> "cables" Then Return False

    ' Remove specific schematic elements
    If schematicFeature.Name = "5-7-0" Or schematicFeature.Name = "5-4-0" Then
      Return True
    Else
      Return False
    End If
  End Function

  Private ReadOnly Property Name() As String _
   Implements ESRI.ArcGIS.Schematic.ISchematicFeatureRemovalExtended.Name
    Get
      Return "Remove cables with particular ID (VBNet)"
    End Get
  End Property
#End Region
End Class