Revit.Plugln/FWindSoft/Revit/XH.Tool/DwgExportUtils.cs

/*-------------------------------------------------------------------------
 * 功能描述：DwgExportUtils
 * 作者：xulisong
 * 创建时间： 2019/7/25 9:59:03
 * 版本号：v1.0
 *  -------------------------------------------------------------------------*/

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

namespace LRH.Tool
{
    public static class DwgExportUtils
    {
        /// <summary>
        /// 将视图导出Dwg格式
        /// </summary>
        /// <param name="view">使用的view</param>
        /// <param name="exportFileName">导出的位置</param>
        /// <param name="visibleCategories">设置显示的category,如果传入null,则不对category进行限制</param>
        /// <returns></returns>
        public static bool ExportDwg(View view, string exportFileName, List<Category> visibleCategories)
        {
            List<Category> useCategories = visibleCategories;
            string folder = Path.GetDirectoryName(exportFileName);
            string fileName = Path.GetFileName(exportFileName);
            DWGExportOptions dwgExportOptions1 = new DWGExportOptions();
            dwgExportOptions1.Colors = ExportColorMode.IndexColors;
            dwgExportOptions1.LineScaling = LineScaling.PaperSpace;
            dwgExportOptions1.TargetUnit = ExportUnit.Millimeter;
            dwgExportOptions1.FileVersion = ACADVersion.R2013;
            dwgExportOptions1.SharedCoords = false;
            dwgExportOptions1.PropOverrides = PropOverrideMode.ByEntity;
            dwgExportOptions1.LayerMapping = "AIA";
            View useView = view;
            ElementId viewId = view.Id;
            var document = useView.Document;
            if (useCategories != null)
            {
                var categories = useView.Document.Settings.Categories;
                foreach (Category category in categories)
                {
                    useView.SetCategoryHidden(category.Id, true);
                }
                foreach (Category useCategory in useCategories)
                {
                    useView.SetCategoryHidden(useCategory.Id, false);
                }
            }
            return document.Export(folder, fileName, new List<ElementId>() { viewId }, dwgExportOptions1);
        }
    }
}