Revit.Plugln/FWindSoft/FWindSoft.Revit/ExternalCommand/ExternalCommand.cs

/*-------------------------------------------------------------------------
 * 功能描述：ExternalCommand
 * 作者：xulisong
 * 创建时间： 2019/3/7 14:50:24
 * 版本号：v1.0
 *  -------------------------------------------------------------------------*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Revit.Attributes;

namespace FWindSoft.Revit
{
    [Transaction(TransactionMode.Manual)]
    [Regeneration(RegenerationOption.Manual)]
    //[Journaling(JournalingMode.NoCommandData)]
    public class ExternalCommand : IExternalCommand, IExternalCommandAvailability
    {
        /// <summary>
        /// 应用级别显示，不用打开项目自动显示
        /// </summary>
        public bool ApplicationShow { get; set; }
        public virtual Result Execute(ExternalCommandData commandData, ref string message,ElementSet elements)
        {
            RevitCore.InitCore((UIApplication)commandData.Application);
            return Result.Succeeded;
        }

        public virtual bool IsCommandAvailable(UIApplication applicationData, CategorySet selectedCategories)
        {
            if (ApplicationShow)
            {
                return true;
            }
            return applicationData.ActiveUIDocument != null;
        }
    }
}