add ImportInstance.GetPath

https://forum.dynamobim.com/t/how-to-geht-the-filepath-from-linked-dwgs/96599/8

OpenMEPRevit/Element/ImportInstance.cs

@@ -0,0 +1,52 @@
+using Autodesk.DesignScript.Runtime;
+using Autodesk.Revit.DB;
+
+namespace OpenMEPRevit.Element;
+
+public class ImportInstance
+{
+    private ImportInstance()
+    {
+    }
+    /// <summary>
+    /// Retrieves information about external resources associated with a Revit element.
+    /// </summary>
+    /// <param name="importInstance">The Revit element for which external resource information is retrieved.</param>
+    /// <returns>
+    /// A dictionary containing information about external resources with keys:
+    /// - "ModelIdentity": Identity information of the model.
+    /// - "Path": The path of the external resource.
+    /// - "PathType": The type of path for the external resource.
+    /// </returns>
+    /// <example>
+    /// ![](../OpenMEPPage/element/dyn/pic/ImportInstance.GetPath.png)
+    /// </example>
+    [MultiReturn("ModelIdentity","Path","PathType")]
+    public static Dictionary<string, object?> GetPath(global::Revit.Elements.Element importInstance)
+    {
+        Autodesk.Revit.DB.Element internalElement = importInstance.InternalElement;
+        Dictionary<string,object?> result = new Dictionary<string, object?>();
+        if (internalElement is Autodesk.Revit.DB.ImportInstance import)
+        {
+            ElementId elementId = import.GetTypeId();
+            ElementType? elementType = import.Document.GetElement(elementId) as Autodesk.Revit.DB.ElementType;
+            IDictionary<ExternalResourceType,ExternalResourceReference> externalResourceReferences = elementType.GetExternalResourceReferences();
+            foreach (KeyValuePair<ExternalResourceType, ExternalResourceReference> externalResourceReference in externalResourceReferences)
+            {
+                IDictionary<string,string> information = externalResourceReference.Value.GetReferenceInformation();
+                foreach (KeyValuePair<string, string> keyValuePair in information)
+                {
+                    result.Add(keyValuePair.Key,keyValuePair.Value);
+                }
+            }
+        }
+        else
+        {
+            result.Add("ModelIdentity",null);
+            result.Add("Path",null);
+            result.Add("PathType",null);
+        }
+        return result;
+    }
+
+}