/// <summary>
/// Static method o select valid input element for the structural connection.
/// </summary>
/// <param name="document"> Current document. </param>
/// <returns>Returns a list of element ids.</returns>
public static List <ElementId> SelectConnectionElements(UIDocument document)
{
List <ElementId> elemIds = new List <ElementId>();
// Create a filter for the allowed structural connection inputs.
LogicalOrFilter connElemTypes = new LogicalOrFilter(new List <ElementFilter> {
new ElementCategoryFilter(BuiltInCategory.OST_StructuralFraming),
new ElementCategoryFilter(BuiltInCategory.OST_StructuralColumns),
new ElementCategoryFilter(BuiltInCategory.OST_StructuralFoundation),
new ElementCategoryFilter(BuiltInCategory.OST_Floors),
new ElementCategoryFilter(BuiltInCategory.OST_Walls)
});
StructuralConnectionSelectionFilter elemFilter = new StructuralConnectionSelectionFilter(connElemTypes);
List <Reference> refs = document.Selection.PickObjects(ObjectType.Element, elemFilter, "Select elements to add to connection :").ToList();
elemIds = refs.Select(e => e.ElementId).ToList();
return(elemIds);
}
/// <summary>
/// Static method to select structural connections.
/// </summary>
/// <returns>Returns the id of the connection.</returns>
public static StructuralConnectionHandler SelectConnection(UIDocument document)
{
StructuralConnectionHandler conn = null;
// Create a filter for structural connections.
LogicalOrFilter types = new LogicalOrFilter(new List <ElementFilter> {
new ElementCategoryFilter(BuiltInCategory.OST_StructConnections)
});
StructuralConnectionSelectionFilter filter = new StructuralConnectionSelectionFilter(types);
Reference target = document.Selection.PickObject(ObjectType.Element, filter, "Select connection element :");
if (target != null)
{
Element targetElement = document.Document.GetElement(target);
if (targetElement != null)
{
conn = targetElement as StructuralConnectionHandler;
}
}
return(conn);
}