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GetTypeId Method

Returns the identifier of this element's type.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2011

Syntax

C# 
public ElementId GetTypeId()
Visual Basic 
Public Function GetTypeId As ElementId
Visual C++ 
public:
ElementId^ GetTypeId()

Return Value

The id of the element's type, or invalid element id if the element cannot have type assigned.

Remarks

Some elements cannot have type assigned, in which case this method returns invalid element id.

Examples

Copy C# 
void GetStairType(Autodesk.Revit.DB.Document document)
{
   FilteredElementCollector collector = new FilteredElementCollector(document);
   ICollection<Element> stairs = collector.OfClass(typeof(FamilyInstance)).OfCategory(BuiltInCategory.OST_Stairs).ToElements();
   foreach (Element stair in stairs)
    {
        if (null == stair.GetTypeId())
        {
            TaskDialog.Show("Revit","No symbol found in stair element: " + stair.Name);
        }
        else
        {
            Element elemType = document.GetElement(stair.GetTypeId());
            string info = "Stair type is: " + elemType.Name;
            TaskDialog.Show("Revit",info);
        }
    }
}
Copy VB.NET 
Private Sub GetStairType(document As Autodesk.Revit.DB.Document)
    Dim collector As New FilteredElementCollector(document)
    Dim stairs As ICollection(Of Element) = collector.OfClass(GetType(FamilyInstance)).OfCategory(BuiltInCategory.OST_Stairs).ToElements()
    For Each stair As Element In stairs
        If stair.GetTypeId() Is Nothing Then
            TaskDialog.Show("Revit", "No symbol found in stair element: " + stair.Name)
        Else
            Dim elemType As Element = document.GetElement(stair.GetTypeId())
            Dim info As String = "Stair type is: " + elemType.Name
            TaskDialog.Show("Revit", info)
        End If
    Next
End Sub

See Also