RevitSdkSamples/SDK/Samples/AttachedDetailGroup/CS/AttachedDetailGroupHideAllCommand.cs

//
// (C) Copyright 2003-2011 by Autodesk, Inc.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
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using Autodesk.Revit.DB;
using Autodesk.Revit.UI;

namespace Revit.SDK.Samples.AttachedDetailGroup.CS
{
   /// <summary>
   /// The external command that hides all of the selected group's attached detail groups.
   /// </summary>
   [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
   class AttachedDetailGroupHideAllCommand : IExternalCommand
   {
      #region IExternalCommand Members

      /// <summary>
      /// The implementation of the command.
      /// </summary>
      /// <param name="commandData"></param>
      /// <param name="message"></param>
      /// <param name="elements"></param>
      /// <returns></returns>
      public Result Execute(ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements)
      {
         UIDocument uiDoc = commandData.Application.ActiveUIDocument;
         Document doc = uiDoc.Document;
         View activeView = commandData.View;
         GroupHelper groupHelper = new GroupHelper();
         Group selectedModelGroup;

         if (!groupHelper.getSelectedModelGroup(uiDoc, out selectedModelGroup, out message))
         {
            return Result.Cancelled;
         }

         groupHelper.HideAllAttachedDetailGroups(selectedModelGroup, doc, activeView);
         return Result.Succeeded;
      }

      #endregion
   }
}