/// <summary>
/// Selection with planar face.
/// See the bottom of the page to see the selection filter implementation.
/// </summary>
public void PickPlanarFace()
{
// To call ISelectionFilter.AllowReference, use this.
// This will limit picked face to be planar.
Document doc = _uiDoc.Document;
SelectionFilterPlanarFace selFilterPlanarFace = new SelectionFilterPlanarFace(doc);
Reference r = _uiDoc.Selection.PickObject(ObjectType.Face, selFilterPlanarFace, "Select a planar face");
Element e = doc.GetElement(r);
//Face oFace = r.GeometryObject as Face; // 2011
Face oFace = e.GetGeometryObjectFromReference(r) as Face; // 2012
string msg = (null == oFace)
? "No face picked."
: "You picked a face on element " + e.Id.ToString();
TaskDialog.Show("PickPlanarFace", msg);
}
/// <summary>
/// Selection with planar face.
/// See the bottom of the page to see the selection filter implementation.
/// </summary>
public void PickPlanarFace()
{
// To call ISelectionFilter.AllowReference, use this.
// This will limit picked face to be planar.
Document doc = _uiDoc.Document;
SelectionFilterPlanarFace selFilterPlanarFace = new SelectionFilterPlanarFace(doc);
Reference r = _uiDoc.Selection.PickObject(ObjectType.Face, selFilterPlanarFace, "Select a planar face");
Element e = doc.GetElement(r);
//Face oFace = r.GeometryObject as Face; // 2011
Face oFace = e.GetGeometryObjectFromReference(r) as Face; // 2012
string msg = (null == oFace)
? "No face picked."
: "You picked a face on element " + e.Id.ToString();
TaskDialog.Show("PickPlanarFace", msg);
}