Revit.SDK.Samples.Selections.CS.SelectionManager.PickElement C# (CSharp) Method

        internal void PickElement()
        {
            try
            {
                // Pick an element.
                Reference eRef = m_document.Selection.PickObject(Autodesk.Revit.UI.Selection.ObjectType.Element, "Please pick an element.");
                if (eRef != null && eRef.ElementId != ElementId.InvalidElementId)
                {
                    SelectedElement = m_document.Document.GetElement(eRef);
                    m_elemPickedPoint = eRef.GlobalPoint;
                }
            }
            catch (Exceptions.OperationCanceledException)
            {
                // Element selection cancelled.
                SelectedElement = null;
            }
        }