using System.ComponentModel;

namespace Chernobyl.ComponentModel
{
    /// <summary>
    /// Extension and utility methods for <see cref="AsyncCompletedEventArgs"/>
    /// </summary>
    public static class AsyncCompletedEventArgsExtensions
    {
        /// <summary>
        /// Returns true if the <see cref="AsyncCompletedEventArgs"/> was not
        /// cancelled and does not have an error.
        /// </summary>
        /// <param name="asyncCompleted">The instances to check for cancellation
        /// and errors.</param>
        /// <returns>True if the <paramref name="asyncCompleted"/> was not
        /// cancelled and did not result in an error.</returns>
        public static bool IsGood(this AsyncCompletedEventArgs asyncCompleted)
        {
            return asyncCompleted.Cancelled == false && asyncCompleted.Error == null;
        }
    }
}