internal void ExcludeSelected()
{
if (!string.IsNullOrEmpty(SelectedIncludedVariable))
{
var oldSelectedIndex = IncludedVariables.IndexOf(SelectedIncludedVariable);
var whatToMove = SelectedIncludedVariable;
ExcludedVariables.Add(whatToMove);
IncludedVariables.Remove(whatToMove);
SelectedExcludedVariable = whatToMove;
if (oldSelectedIndex < IncludedVariables.Count)
{
SelectedIncludedVariable = IncludedVariables[oldSelectedIndex];
}
else if (IncludedVariables.Count > 0)
{
SelectedIncludedVariable = IncludedVariables[IncludedVariables.Count - 1];
}
}
}
