/// <summary>
/// Called from AuDockPanel.OnPaint, for its _firstSplit.
/// Paints all descendants.
/// </summary>
internal override void Paint(Graphics g)
{
if (IsSplitterVisible)
{
var t = _manager._paintTools;
g.FillRectangle(t.brushSplitter, this.SplitterBounds);
}
if (Child1.IsDocked)
{
Child1.Paint(g);
}
if (Child2.IsDocked)
{
Child2.Paint(g);
}
}
