private void BtnStart_Click(object sender, EventArgs e)
{
btnStart.Enabled = false;
if (Validate_Controls_Values() != true)
{
btnStart.Enabled = true;
return;
}
// Initialize Download Parameters
CDL.sBaseAddress = txtBaseAddress.Text;
CDL.sDestPath = txtDestPath.Text;
CDL.iPFrom = Convert.ToInt32(nudPFrom.Value);
CDL.iPTo = Convert.ToInt32(nudPTo.Value);
CDL.iFailed = 0;
// Populate ListView
lvMain.Items.Clear();
for (int i = CDL.iPFrom; i <= CDL.iPTo; i++)
{
ListViewItem lviNew = new ListViewItem();
DLItemStatus DLIS = new DLItemStatus();
DLIS.iFile = i;
DLIS.iStatus = 0;
lviNew.Tag = DLIS;
lviNew.Text = CDL.sBaseAddress + i.ToString("D3") + ".jpg";
lviNew.SubItems.Add("Queued");
lviNew.Checked = true;
lvMain.Items.Add(lviNew);
}
lvMain.Refresh();
// Prepare Next File Download
CDL.iCurrentFile = CDL.iPFrom;
CDL.uriCurrentURI = new Uri(CDL.sBaseAddress + CDL.iPFrom.ToString("D3") + ".jpg");
//System.Diagnostics.Debug.WriteLine(CDL.uriCurrentURI.ToString());
CDL.iRetry = 0;
Download_File();
}
private void Wc_DFC(object sender, AsyncCompletedEventArgs e)
{
if (e.Error != null)
{
if (nudRetries.Value != 0 && CDL.iRetry < nudRetries.Value)
{
CDL.iRetry++;
Download_File();
return;
}
else
{
int iCLVII = CDL.iCurrentFile - CDL.iPFrom;
lvMain.Items[iCLVII].SubItems[1].Text = "Failed";
DLItemStatus DLIS1 = (DLItemStatus)lvMain.Items[iCLVII].Tag;
DLIS1.iStatus = -1;
lvMain.Items[iCLVII].Tag = DLIS1;
lvMain.Items[iCLVII].Checked = true;
CDL.iFailed++;
// TODO: Delete failed file (it's created, but 0 size)
string sLoc = Path.Combine(CDL.sDestPath, CDL.iCurrentFile.ToString("D3") + ".jpg");
if (File.Exists(sLoc))
{
File.Delete(sLoc);
}
}
}
else
{
int iCLVII = CDL.iCurrentFile - CDL.iPFrom;
lvMain.Items[iCLVII].SubItems[1].Text = "Completed";
DLItemStatus DLIS = (DLItemStatus)lvMain.Items[iCLVII].Tag;
DLIS.iStatus = 1;
lvMain.Items[iCLVII].Tag = DLIS;
lvMain.Items[iCLVII].Checked = false;
}
if (CDL.iCurrentFile == CDL.iPTo)
{
string sMsg;
if (CDL.iFailed != 0)
{
sMsg = "Process completed. " + CDL.iFailed.ToString() + " failed.";
}
else
{
sMsg = "Download completed.";
}
MessageBox.Show(sMsg, "LTG");
btnStart.Enabled = true;
}
else
{
CDL.iCurrentFile++;
CDL.uriCurrentURI = new Uri(CDL.sBaseAddress + CDL.iCurrentFile.ToString("D3") + ".jpg");
CDL.iRetry = 0;
Download_File();
// Scroll to current
int iCLVII = CDL.iCurrentFile - CDL.iPFrom;
lvMain.EnsureVisible(iCLVII);
}
}
