/// <summary>
/// Construct a TraverseContext.
/// </summary>
/// <param name="visit">
/// The <see cref="TraverseDelegate"/> used for visiting the underlying scene graph nodes.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="visit"/> is null.
/// </exception>
public TraverseContext(TraverseDelegate visit) :
this(visit, null, null)
{
}
public Traverse(TraverseDelegate dlg)
{
this.dlg = dlg;
}