Select linked elements by category by "PickElementsByRectangle" Method

Luffy11 · May 17, 2023, 5:00pm

Hello everyone, may I ask if the PickElementsByRectangle Method can be used to select objects in a linked model by category or not?

chuongmep · May 18, 2023, 12:13am

For PickElementsByRectangle , you can’t do that, but you can use PickObjects(ObjectType.LinkedElement to do that.

github.com

chuongmep/RevitAPI_EveryDay/blob/4c9df6dc642822015026118ccd83e04761177dcc/RevitAPIEveryDay/RevitAPIEveryDay/Day03/SelectElementInLinked.cs#L26-L46


      
          Reference link_ref = uidoc.Selection.PickObject(ObjectType.Element, "Select a link instance first");
          IList<Reference> el_ref = uidoc.Selection.PickObjects(ObjectType.LinkedElement,
              "Select Element In Linked");
          
          
RevitLinkInstance link1 = doc.GetElement(link_ref.ElementId) as RevitLinkInstance;
          Document linkDoc = link1.GetLinkDocument();
          List<ElementId> elementIds = new List<ElementId>();
          StringBuilder sb = new StringBuilder();
          foreach (var r1 in el_ref)
          {
              ElementId elementId = r1.LinkedElementId;
              elementIds.Add(elementId);
          }
          
          
foreach (ElementId id in elementIds)
          {
              Element element = linkDoc.GetElement(id);
              sb.AppendLine($"{element.Name}-{element.Id}");
          }
          MessageBox.Show($"{sb}","Information",MessageBoxButtons.OK);
          return Result.Succeeded;

Luffy11 · May 18, 2023, 1:34am

@chuongmep thanks a lot for your advices. I will try it out.

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Select linked elements by category by "PickElementsByRectangle" Method

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