internal void SetSibling(DockPaneNode node, DockPaneNode newValue)
{
Debug.Assert(Child1 == node || Child2 == node);
Debug.Assert(newValue != null);
Debug.Assert(newValue.Parent == null);
if (Child1 == node)
{
SetValue(Child2PropertyKey, newValue);
}
else
{
SetValue(Child1PropertyKey, newValue);
}
newValue.SetParent(this);
}
private void SetRootNode(DockPaneNode newValue, bool clearOldValueParent)
{
DockPaneNode oldValue = RootNode;
if (oldValue == newValue)
{
return;
}
SetValue(RootNodePropertyKey, newValue);
if (oldValue != null && clearOldValueParent)
{
oldValue.ClearParent();
}
if (newValue != null)
{
newValue.SetParent(this);
}
}
