public int NonConvertingCompare(BindingValue right)
{
if (ReferenceEquals(right, this))
{
return(0);
}
bool thisIsEmpty = (ReferenceEquals(this, Empty));
if (ReferenceEquals(right, Empty))
{
// empty is less than all values
return(thisIsEmpty ? 0 : 1);
}
int typeDifference = _nativeValueType - right._nativeValueType;
if (typeDifference != 0)
{
// different types sort by type
return(typeDifference);
}
switch (_nativeValueType)
{
case BindingValueType.Boolean:
return(BoolValue.CompareTo(right.BoolValue));
case BindingValueType.String:
return(string.Compare(StringValue, right.StringValue, StringComparison.InvariantCulture));
case BindingValueType.Double:
return(DoubleValue.CompareTo(right.DoubleValue));
default:
throw new ArgumentOutOfRangeException();
}
}