예제 #1
0
        private void buttonExport_Click(object sender, EventArgs e)
        {
            buttonExport.Enabled   = false;
            LabelActiveThread.Text = "Exporting! All thread are paused";
            Thread_Lock            = true;
            ScrapingWorker worker = null;

            buttonPause.Text = "Resume";
            try
            {
                worker = new ScrapingWorker(textBoxOutputFileName.Text, "http://www.zoopla.co.uk/for-sale/property/bl9/?include_retirement_homes=true&page_size=24&q=BL9&new_homes=include&include_shared_ownership=true&search_source=for-sale&radius=0&view_type=grid&pn=2");
            } catch (Exception w)
            {
            }
            LabelActiveThread.Text = "List Exported at    " + DateTime.Now.ToString("h:mm:ss tt");
            try
            {
                worker.WriteTheList();
            }
            catch (Exception e1)
            {
                MessageBox.Show(e1.Message + "\n\tHow to Solve \n1)Check Your Task Manager if csv File is opened \n2)Check if it is used by another Program");
            }
            // Thread_Lock = false;                 *----> In case of auto resuming the Threads.
        }
예제 #2
0
        void Form1_DoWork(object sender, DoWorkEventArgs e, int i)
        {
            ScrapingWorker worker;
            string         Link;


            while (!String.IsNullOrEmpty(Link = ListsEncapsulation.IsAnyLeft()))
            {
                lock (Link)
                {
                    textBoxList.Text           += "Thread # " + (i + 1) + " is Opening \n";
                    textBoxList.SelectionStart  = textBoxList.Text.Length;
                    textBoxList.Text           += Link + "\n";
                    textBoxList.SelectionLength = Link.Length;
                    textBoxList.SelectionColor  = Color.Blue;
                }
                while (Thread_Lock)
                {
                    Thread.SpinWait(1000);
                }
                ChangeSubItem(i, 2, Link);
                ChangeSubItem(i, 1, "30%");
                while (Thread_Lock)
                {
                    Thread.SpinWait(1000);
                }


                //Critical Section--     worker can be replaced by another thread
                try
                {
                    lock (worker = new ScrapingWorker(textBoxOutputFileName.Text, Link))
                    {
                        worker.Maine();
                    }
                } catch (Exception w)
                {
                    MessageBox.Show("CanNot Resolve URL, Maybe Server is down or Connection Time out\n\bMore Details\b\n " + w.Message);
                }
                while (Thread_Lock)
                {
                    Thread.SpinWait(100);
                }

                ChangeSubItem(i, 1, "70%");
            }
        }