gistfile1.cs

internal class CompoundComparer<T> : IComparer<T> 
{ 
    private readonly IComparer<T> primary; 
    private readonly IComparer<T> secondary; 

    internal CompoundComparer(IComparer<T> primary, 
        IComparer<T> secondary) 
    { 
        this.primary = primary; 
        this.secondary = secondary; 
    } 

    public int Compare(T x, T y) 
    { 
        int primaryResult = primary.Compare(x, y); 
        if (primaryResult != 0) 
        { 
            return primaryResult; 
        } 
        return secondary.Compare(x, y); 
    } 
}