public void AppendChild(FragmentControlProvider newChild)
{
if (newChild == null)
{
throw new ArgumentNullException("newChild");
}
if (!newChild.Navigation.IsCleared())
{
RaiseNewChildIsClearedError(newChild);
}
if (newChild is FragmentProviderWrapper)
{
_chainCustoms.AppendToEnd(newChild);
}
else
{
_chainWinforms.AppendToEnd(newChild);
}
newChild.Navigation.Parent = this.Provider;
}
