对于我的C#程序,我创建了下面的对象。从子类访问主窗体
processurls processurls1 = new processurls();
后,我创造它,我点击一个按钮来开始我的计时器,它执行:
private void timer2_Tick(object sender, EventArgs e)
{
processurls1.pURLS(UrlList, URLCountOf, HTTP, label1, TotalURLS2, TotalURLS);
}
该定时器每500毫秒会触发我processurls1对象的pURLS功能。 它会每次更新我的主表单标签label1.text。 但我的问题是它只会更新标签一次,我的程序运行非常笨重。什么是安全的方式来传递标签对象& picturebox对象到我的子类在主窗体上正确更新没有滞后?
public void pURLS(List<string> UrlListOf, int Count, Images HTTP, Label label1, int TotalURLS2, int TotalURLS)
{
try
{
string WebResponse = HTTP.DoGET(UrlListOf[Count]);
string pattern = "href=\"(.*?)\"";
MatchCollection OtherURLS = Regex.Matches(WebResponse, pattern);
for (int i = 0; i < OtherURLS.Count; i++)
{
Match HasHttp = Regex.Match(OtherURLS[i].Value, "http");
if (HasHttp.Success)
{
string CleanedUp = Regex.Replace(OtherURLS[i].Value, "href=\"", "");
CleanedUp = Regex.Replace(CleanedUp, "\"", "");
UrlListOf.Add(CleanedUp);
TotalURLS2++;
}
else
{
string CleanedUp = Regex.Replace(OtherURLS[i].Value, "href=\"", "");
CleanedUp = Regex.Replace(CleanedUp, "\"", "");
CleanedUp = UrlListOf[TotalURLS2] + "" + CleanedUp;
UrlListOf.Add(CleanedUp);
TotalURLS2++;
}
}
label1.Text = "U:" + TotalURLS2.ToString();
}
catch (Exception)
{
}
}
你应该做的第一件事就是要摆脱这一切,除了吃'catch'块地看到,实际上可能任何错误发生。 –