public override void AwakeFromNib()
{
base.AwakeFromNib();
SplitView.IsVertical = true;
SplitView.DividerStyle = NSSplitViewDividerStyle.Thin;
SplitView.SetValueForKey(NSColor.FromWhite((nfloat)0.15, (nfloat)0.9), KeyPath.NSSplitView.DividerColor.NSString());
}