GetSingleSelectedElementOrPrompt(
UIDocument uidoc)
{
Element e = null;
ICollection <ElementId> ids
= uidoc.Selection.GetElementIds(); // 2015
if (1 == ids.Count)
{
foreach (ElementId id in ids)
{
e = uidoc.Document.GetElement(id);
}
}
else
{
string sid;
DialogResult result = DialogResult.OK;
while (null == e && DialogResult.OK == result)
{
using (ElementIdForm form
= new ElementIdForm())
{
result = form.ShowDialog();
sid = form.ElementId;
}
if (DialogResult.OK == result)
{
if (0 == sid.Length)
{
try
{
Reference r = uidoc.Selection.PickObject(
ObjectType.Element,
"Please pick an element");
//e = r.Element; // 2011
e = uidoc.Document.GetElement(r); // 2012
}
catch (OperationCanceledException)
{
}
}
else
{
int id;
if (int.TryParse(sid, out id))
{
ElementId elementId = new ElementId(
id);
e = uidoc.Document.GetElement(elementId);
if (null == e)
{
ErrorMsg(string.Format(
"Invalid element id '{0}'.",
sid));
}
}
else
{
e = uidoc.Document.GetElement(sid);
if (null == e)
{
ErrorMsg(string.Format(
"Invalid element id '{0}'.",
sid));
}
}
}
}
}
}
return(e);
}
public static Element GetSingleSelectedElementOrPrompt(
UIDocument uidoc)
{
Element e = null;
ICollection<ElementId> ids
= uidoc.Selection.GetElementIds(); // 2015
if( 1 == ids.Count )
{
foreach( ElementId id in ids )
{
e = uidoc.Document.GetElement( id );
}
}
else
{
string sid;
DialogResult result = DialogResult.OK;
while( null == e && DialogResult.OK == result )
{
using( ElementIdForm form
= new ElementIdForm() )
{
result = form.ShowDialog();
sid = form.ElementId;
}
if( DialogResult.OK == result )
{
if( 0 == sid.Length )
{
try
{
Reference r = uidoc.Selection.PickObject(
ObjectType.Element,
"Please pick an element" );
//e = r.Element; // 2011
e = uidoc.Document.GetElement( r ); // 2012
}
catch( OperationCanceledException )
{
}
}
else
{
int id;
if( int.TryParse( sid, out id ) )
{
ElementId elementId = new ElementId(
id );
e = uidoc.Document.GetElement( elementId );
if( null == e )
{
ErrorMsg( string.Format(
"Invalid element id '{0}'.",
sid ) );
}
}
else
{
e = uidoc.Document.GetElement( sid );
if( null == e )
{
ErrorMsg( string.Format(
"Invalid element id '{0}'.",
sid ) );
}
}
}
}
}
}
return e;
}