BindingSourceのカレント行の項目を型安全にを取得するためのヘルパ拡張メソッド

BindingSourceExtensions.cs

using System;
using System.Data;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public static class BindingSourceExtensions
    {
        public static T GetCurrent<T>(this BindingSource bs) where T : class
        {
            var current = bs.Current;
            var drv = current as DataRowView;
            if (drv != null)
            {
                return drv.Row as T;
            }

            return current as T;
        }
    }
}

DataRow以外にも対応