Revit.Plugln/FWindSoft/FWindSoft.Revit/Extension/FamilyInstanceExtension.cs

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

namespace FWindSoft.Revit
{
    public static class FamilyInstanceExtension
    {
        /// <summary>
        /// 获取FamilyInstance的FamilySymbol
        /// </summary>
        /// <param name="familyInstance"></param>
        /// <returns></returns>
        public static FamilySymbol GetFamilySymbol(this FamilyInstance familyInstance)
        {
            FamilyInstance finst = familyInstance;
            if (familyInstance != null)
            {
                return finst.Symbol;
            }
            return null;
        }
        /// <summary>
        /// 获取FamilyInstance的Family
        /// </summary>
        /// <param name="familyInstance"></param>
        /// <returns></returns>
        public static Family GetFamily(this FamilyInstance familyInstance)
        {
            FamilyInstance finst = familyInstance;
            if (familyInstance != null)
            {
                return finst.Symbol?.Family;
            }
            return null;
        }
    }
}