private static void SummarizeResults(DoBackgroundwork bgw, long mainTotal)
{
if (bgw.CompleteNormally)
{
Console.WriteLine("\nBackground completed Normally");
Console.WriteLine("Background total = {0}", bgw.BackgroundTotal);
}
else
{
Console.WriteLine("\nBackground Cancelled");
}
Console.WriteLine("Main total = {0}", mainTotal);
}
static void Main()
{
GiveInstructionsToTheUser();
OutputTheSummaryHeaders();
//创建并打开Background Worker
DoBackgroundwork bgw = new DoBackgroundwork();
bgw.StartWorker();
//在主线程启动计算。对于每一次循环，检查是否用户已经取消了后台线程。
//在计算之后，进行短暂的休眠，这样程序可以慢一点，使得主线程不会比后台更快
long mainTotal = 0;
for (int i = 0; i < 5; i++)
{
if (Program.CheckForCancelInput())
bgw.Cancle();
mainTotal += DoBackgroundwork.CalculateTheSequence(100000000);
Thread.Sleep(200);
Console.WriteLine(" {0}%",(i+1)*20);
}
SummarizeResults(bgw, mainTotal);
Console.ReadLine();
}
