public void SetPaneIndex(DockPane pane, int index)
{
int oldIndex = Panes.IndexOf(pane);
if (oldIndex == -1)
{
throw(new ArgumentException(Strings.DockPanel_SetPaneIndex_InvalidPane));
}
if (index < 0 || index > Panes.Count - 1)
{
if (index != -1)
{
throw(new ArgumentOutOfRangeException(Strings.DockPanel_SetPaneIndex_InvalidIndex));
}
}
if (oldIndex == index)
{
return;
}
if (oldIndex == Panes.Count - 1 && index == -1)
{
return;
}
Panes.Remove(pane);
if (index == -1)
{
Panes.Add(pane);
}
else if (oldIndex < index)
{
Panes.AddAt(pane, index - 1);
}
else
{
Panes.AddAt(pane, index);
}
}
