【Revit 技巧】根据共享参数来过滤满足条件的对象（代码) - EaBIM

<font size="4" style="color: rgb(105, 105, 105); font-family: 'Microsoft Yahei', Simsun; ">
</font><font size="1" style="color: rgb(105, 105, 105); font-family: 'Microsoft Yahei', Simsun; ">using System;
using System.Collections.Generic;
using System.Text;
//using System.Windows.Forms;
using Autodesk.Revit .DB;
using Autodesk.Revit.UI;
using Autodesk.Revit .ApplicationServices;
using Autodesk.Revit.Attributes ;
[TransactionAttribute(Autodesk.Revit.Attributes.TransactionMode.Manual)]
[RegenerationAttribute(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
public class ParamFilterTest : IExternalCommand
{
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
Wall wall = uidoc.Selection.PickObject(
Autodesk.Revit.UI.Selection.ObjectType.Element)
.Element as Wall;
Parameter parameter = wall.get_Parameter(
"MyShared");
ParameterValueProvider pvp
= new ParameterValueProvider(parameter.Id);
FilterStringEquals strEquals = new FilterStringEquals();
FilterStringRule sRule = new FilterStringRule(pvp, strEquals, "MyValue", true);
ElementParameterFilter filter
= new ElementParameterFilter(sRule);
FilteredElementCollector collector
= new FilteredElementCollector(doc);
collector.WherePasses(filter);
TaskDialog.Show("count", collector.ToElementIds().Count.ToString());
return Result.Succeeded;</font>

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