private void InternalAddToDockList(INestedPanesContainer container, DockPane prevPane, DockAlignment alignment, double proportion)
{
if ((container.DockState == DockState.Float) != IsFloat)
{
throw new InvalidOperationException(Strings.DockPane_DockTo_InvalidContainer);
}
int count = container.NestedPanes.Count;
if (container.NestedPanes.Contains(this))
{
count--;
}
if (prevPane == null && count > 0)
{
throw new InvalidOperationException(Strings.DockPane_DockTo_NullPrevPane);
}
if (prevPane != null && !container.NestedPanes.Contains(prevPane))
{
throw new InvalidOperationException(Strings.DockPane_DockTo_NoPrevPane);
}
if (prevPane == this)
{
throw new InvalidOperationException(Strings.DockPane_DockTo_SelfPrevPane);
}
INestedPanesContainer oldContainer = NestedPanesContainer;
DockState oldDockState = DockState;
container.NestedPanes.Add(this);
NestedDockingStatus.SetStatus(container.NestedPanes, prevPane, alignment, proportion);
if (DockHelper.IsDockWindowState(DockState))
{
m_dockState = container.DockState;
}
RefreshStateChange(oldContainer, oldDockState);
}
