/// <summary>
/// PickObject Element Multiply Categories
/// Show Information Element
/// </summary>
/// <param name="commandData"></param>
/// <param name="message"></param>
/// <param name="elements"></param>
/// <returns></returns>
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
#region Init
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
#endregion
try
{
CategoryFilter categoryFilter = new CategoryFilter {
catname = "Walls"
};
IList <Reference> references = uidoc.Selection.PickObjects(ObjectType.Element, categoryFilter,
"Select Element Filter By Categories ");
StringBuilder sb = new StringBuilder();
foreach (Reference r in references)
{
Autodesk.Revit.DB.Element e = doc.GetElement(r);
sb.AppendLine($"{e.Name}-{e.Id}");
}
MessageBox.Show($"{sb}");
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException) {}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
return(Result.Succeeded);
}