Fix endless loop/crash after resetting layout

app/DD_PM_WINDREAM/ClassRefreshHelper.vb

@@ -64,6 +64,11 @@ Public Class RefreshHelper
     Private Function FindParentRowHandle(pRowInfo As RowInfo, oRowHandle As Integer) As Integer
         Dim oParentRowHandle As Integer = _View.GetParentRowHandle(oRowHandle)
 
+        ' Fixes endless loop when parent row handle is below zero
+        If oParentRowHandle < 0 Then
+            Return oParentRowHandle
+        End If
+
         Do While _View.GetRowLevel(oParentRowHandle) <> pRowInfo.Level
             oParentRowHandle = _View.GetParentRowHandle(oParentRowHandle)
         Loop