SPFilterUsingView

private SPListItemCollection GetItemsUsingView()
{
    // Get view
    var list = SPContext.Current.Web.Lists.TryGetList("[MyList]");
    var view = list.Views["[MyView]"];

    #region Get "Where" filter expression from list view
    // Get the filter expression from view
    string filterCaml = string.Empty;

    // Regex pattern to extract the filter
    string pattern = @"<Where>\s*<.*</Where>";

    // Regex options: Ignore Case & Singleline
    var rxOptions = RegexOptions.IgnoreCase | RegexOptions.Singleline;
    var rx = new Regex(pattern,rxOptions);

    // find
    var match = rx.Match(view.Query);

    if (match != null && match.Success)
    {
        filterCaml = match.Value;
    }
    #endregion

    // Check if filter expression found
    SPListItemCollection items;
    if (filterCaml == string.Empty)
    {
        // No filter expression is defined in view
        // so get all the items
        items = TargetList.Items;
    }
    else
    {
        // Filter expression is defined.
        // Use this filter express to get the 
        // the items
        var query = new SPQuery();
        query.Query = filterCaml;
        items = TargetList.GetItems(query);
    }

    // return items
    return items;

}