// 遍历全部参数 [Transaction(TransactionMode.Manual)][Regeneration(RegenerationOption.Manual)] public class GetAllParameterValues : IExternalCommand{ public Result Execute(ExternalCommandData commandData, ref string messages, ElementSet elements) { UIApplication uiApp = commandData.Application; Autodesk.Revit.ApplicationServices.Application app = uiApp.Application; Document doc = uiApp.ActiveUIDocument.Document; Selection sel = uiApp.ActiveUIDocument.Selection; sel.StatusbarTip = " Please select an element " ; sel.PickOne(); Element elemPick = null ; foreach (Element elem in sel.Elements) { elemPick = elem; break ; } string strParamInfo = null ; foreach (Parameter param in elemPick.Parameters) { if (param.AsValueString() != null ) strParamInfo += param.Definition.Name + " value is: " + param.AsValueString() + " \n " ; else strParamInfo += param.Definition.Name + " value is: " + param.AsString() + " \n " ; } MessageBox.Show(strParamInfo); return Result.Succeeded; }} // 获得指定参数 [Transaction(TransactionMode.Automatic)][Regeneration(RegenerationOption.Automatic)] // 修改需要用此模式 public class GetSpecificParameterValue : IExternalCommand{ public Result Execute(ExternalCommandData commandData, ref string messages, ElementSet elements) { UIApplication uiApp = commandData.Application; Autodesk.Revit.ApplicationServices.Application app = uiApp.Application; Document doc = uiApp.ActiveUIDocument.Document; Selection sel = uiApp.ActiveUIDocument.Selection; sel.StatusbarTip = " Please select an window " ; sel.PickOne(); Element elemPick = null ; foreach (Element elem in sel.Elements) { if (elem is FamilyInstance) { elemPick = elem; break ; } } if (elemPick != null ) { string strParamInfo = null ; // 用BuiltInParameter来访问参数，与国家语言无关 Parameter param = elemPick.get_Parameter(BuiltInParameter.INSTANCE_SILL_HEIGHT_PARAM); strParamInfo += param.Definition.Name + " value is: " + param.AsValueString() + " \n " ; // 修改参数的值 param.Set( 3.6 ); // 使用名称来访问 param = elemPick.get_Parameter( " 底高度 " ); strParamInfo += param.Definition.Name + " value is : " + param.AsValueString() + " \n " ; MessageBox.Show(strParamInfo); } return Result.Succeeded; }}