RevitSdkSamples/SDK/Samples/FamilyCreation/WindowWizard/CS/CreateReferencePlane.cs

//
// (C) Copyright 2003-2019 by Autodesk, Inc.
//
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// 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 System;
using Autodesk.Revit;
using Autodesk.Revit.DB;

namespace Revit.SDK.Samples.WindowWizard.CS
{   
    /// <summary>
    /// The class is used to create ReferencePlane
    /// </summary>
    class CreateRefPlane
    {
        #region Class Implementation
        /// <summary>
        /// This method is used to create ReferencePlane along to a host referenceplane with a offset parameter
        /// </summary>
        /// <param name="doc">the document</param>
        /// <param name="host">the host ReferencePlane</param>
        /// <param name="view">the view</param>
        /// <param name="offSet">the offset of the host</param>
        /// <param name="cutVec">the cutVec of the ReferencePlane</param>
        /// <param name="name">the name of the ReferencePlane</param>
        /// <returns>ReferencePlane</returns>
        public ReferencePlane Create(Document doc, ReferencePlane host, View view, Autodesk.Revit.DB.XYZ offSet, Autodesk.Revit.DB.XYZ cutVec, string name)
        {
            Autodesk.Revit.DB.XYZ bubbleEnd = new Autodesk.Revit.DB.XYZ ();
            Autodesk.Revit.DB.XYZ freeEnd = new Autodesk.Revit.DB.XYZ ();
            ReferencePlane refPlane;
            try
            {
                refPlane = host as ReferencePlane;
                if (refPlane != null)
                {
                    bubbleEnd = refPlane.BubbleEnd.Add(offSet);
                    freeEnd = refPlane.FreeEnd.Add(offSet);
                    SubTransaction subTransaction = new SubTransaction(doc);
                    subTransaction.Start();
                    refPlane = doc.FamilyCreate.NewReferencePlane(bubbleEnd, freeEnd, cutVec, view);
                    refPlane.Name = name;
                    subTransaction.Commit();
                }
                return refPlane;
            }
            catch
            {
                return null;
            }
        }
        #endregion
    }  
}