Turning Off Imported Categories with the exception for the Imports in Families

[jagostinho74]

Hello,

How can I set a view (that is not using a View Template) so that its Imported Categories are all turned off with the exception for the Imports in Families? See image below as an example. Views could hold several different imported categories.

I know I can use "AreImportCategoriesHidden = false;" to turn them all off in the main box using the Views' properties but having problems finding what to use to do this selectively.

Thanks in advance for your help

[GaryOrrMBI · Accepted solution]

Each drawing file is treated as it's own model category with each layer therein being treated as a sub-category.

so approach it that way: view.SetCategoryHidden(DrawingElementId)

[jagostinho74]

Thank you very much for your reply.

The challenge was on finding the correct BuiltInCategory, which we were able to find by listing the hidden categories for a test view and retrieving their enum info.

The code below successfully sets the Imports in Families visibility for a given list of view names.

private void SetImportsInFamilies(Dictionary<string, List<string>> viewNames, bool flag)
		{
			// Get the current document
			Document doc = this.ActiveUIDocument.Document;

			// Start a transaction
			using (Transaction t = new Transaction(doc, "Control View Categories"))
			{
				t.Start();
				
				// Iterate through the views in the first dictionary
				foreach (string viewName in viewNames.Keys)
				{
					// Get the view by name
					View view = GetViewByName(doc, viewName);

					if (view != null)
					{
						// Turn on Imports in Families category
						view.SetCategoryHidden(new ElementId(BuiltInCategory.OST_ImportObjectStyles), flag);
					}
				}
				t.Commit();
			}
		}