/// <summary>
/// Appends a query parameter. If value is a collection type (array, IEnumerable, etc.), multiple parameters are added, i.e. x=1&x=2.
/// To overwrite existing parameters of the same name, use AddOrReplace instead.
/// </summary>
/// <param name="name">Name of the parameter.</param>
/// <param name="value">Value of the parameter. If it's a collection, multiple parameters of the same name are added.</param>
/// <param name="isEncoded">If true, assume value(s) already URL-encoded.</param>
/// <param name="nullValueHandling">Describes how to handle null values.</param>
public void Add(string name, object value, bool isEncoded = false, NullValueHandling nullValueHandling = NullValueHandling.Remove)
{
if (value == null && nullValueHandling == NullValueHandling.Remove)
{
_values.Remove(name);
return;
}
foreach (var val in SplitCollection(value))
{
if (val == null && nullValueHandling != NullValueHandling.NameOnly)
{
continue;
}
_values.Add(name, new QueryParamValue(val, isEncoded));
}
}
