/// <summary>
/// 检查委托的类型是否合法。
/// </summary>
/// <param name="type">委托的类型。</param>
/// <param name="paramName">参数的名称。</param>
internal static void CheckDelegateType(Type type, string paramName)
{
ExceptionHelper.CheckArgumentNull(type, paramName);
Type baseType = type.BaseType;
if (baseType != typeof(MulticastDelegate))
{
throw ExceptionHelper.MustBeDelegate(paramName);
}
}
