Implementing extended criteria for some predefined schematic rules
FeatureRemovalExt.cs
// 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.
// 

using System;
using System.Collections.Generic;
using System.Text;

namespace CustomExtCriteriaCS
{
  [System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)]
  [System.Runtime.InteropServices.Guid(FeatureRemovalExt.GUID)]
  [System.Runtime.InteropServices.ProgId(FeatureRemovalExt.PROGID)]
  public class FeatureRemovalExt : ESRI.ArcGIS.Schematic.ISchematicFeatureRemovalExtended
  {
    public const string GUID = "f1ff48de-93b1-4765-b943-d04284e63fb9";
    public const string PROGID = "CustomExtCriteriaCS.FeatureRemovalExt";

    #region Component Category Registration

    [System.Runtime.InteropServices.ComRegisterFunction()]
    public static void Register(string regKey)
    {
      ESRI.ArcGIS.ADF.CATIDs.SchematicRulesExtendedCriteria.Register(regKey);
    }

    [System.Runtime.InteropServices.ComUnregisterFunction()]
    public static void Unregister(string regKey)
    {
      ESRI.ArcGIS.ADF.CATIDs.SchematicRulesExtendedCriteria.Unregister(regKey);
    }
    #endregion

    #region ISchematicFeatureRemovalExtended Membres

    public string Name
    {
      get { return "Remove cables with particular ID (C#)"; }
    }

    public bool Evaluate(ESRI.ArcGIS.Schematic.ISchematicInMemoryFeature schematicFeature)
    {
      // if not the right class do nothing
      if (schematicFeature.SchematicElementClass.Name != "cables") return false;

      // Remove specific schematic elements
      if ((schematicFeature.Name == "5-7-0") || (schematicFeature.Name == "5-4-0"))
        return true;

      return false;
    }

    #endregion
  }
}