RevitSdkSamples/SDK/Samples/UIAPI/CS/ApplicationOptions.cs

//
// (C) Copyright 2003-2019 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 System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Autodesk.Revit.UI;

namespace Revit.SDK.Samples.UIAPI.CS
{
    public enum ApplicationAvailablity
    {
        Always,
        ArchitectureDiscipline,
        StructuralAnalysis,
        MEP
    }
    public class ApplicationOptions
    {

        public ApplicationAvailablity Availability { get; set; }


        public static void Initialize(ExternalApp application)
        {
            s_options = new ApplicationOptions();
            s_options.m_eApplication = application; 
        }

        public static ApplicationOptions Get()
        {
            if (s_options == null)
                throw new Exception("Static options was not initialized");

            return s_options;
        }

        private static ApplicationOptions s_options = null;
        private ExternalApp m_eApplication;

        private ApplicationOptions()
        {
            Availability = ApplicationAvailablity.Always;
        }
    }
}