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萧闫子 发表于 2014-1-15 12:58:04

根据共享参数来过滤满足条件的对象（代码）

我们经常会添加自己的参数到对象中，一个参数可以添加到多个类别的对象。2011提供的过滤功能可以用参数的值来进行过滤。
下面代码可以对自定义参数按照参数值进行过滤。


<p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">
</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"> view plaincopy</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">using System;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">using System.Collections.Generic;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">using System.Text;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">//using System.Windows.Forms;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">usingAutodesk.Revit .DB;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">using Autodesk.Revit.UI;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">using Autodesk.Revit .ApplicationServices;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">using Autodesk.Revit.Attributes ;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">    public class ParamFilterTest : IExternalCommand</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">    {</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      public Result Execute(</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      ExternalCommandData commandData,</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      ref string message,</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      ElementSet elements)</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      {</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      UIApplication uiapp = commandData.Application;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      UIDocument uidoc = uiapp.ActiveUIDocument;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      Application app = uiapp.Application;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      Document doc = uidoc.Document;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      Wall wall = uidoc.Selection.PickObject(</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          Autodesk.Revit.UI.Selection.ObjectType.Element)</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          .Element as Wall;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      Parameter parameter = wall.get_Parameter(</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          "MyShared");</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      ParameterValueProvider pvp</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          = new ParameterValueProvider(parameter.Id);          </span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          </span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      FilterStringEquals strEquals = new FilterStringEquals();</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      FilterStringRule sRule = new FilterStringRule(pvp, strEquals, "MyValue", true);</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          </span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      ElementParameterFilter filter</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          = new ElementParameterFilter(sRule);</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      FilteredElementCollector collector</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">          = new FilteredElementCollector(doc);</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      collector.WherePasses(filter);</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      TaskDialog.Show("count", collector.ToElementIds().Count.ToString());</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;"></span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      return Result.Succeeded;</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">      }</span></font></p><p><font color="#333333" face="Arial"><span style="line-height: 26px;">    }</span></font></p>作者：叶雄进文章来源：http://blog.csdn.net/joexiongjin/article/category/782739


龙龙..! 发表于 2014-2-20 14:10:44

顶！！！！！！！！！！！！！！！！！！！！！！！！！

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