private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Cancelled)
{
labelStatus.Text = "Canceled .... The processing is incomplete.";
progressBarConvert.Value = 0;
progressBarConvert.Visible = false;
ReportOnCancel();
}
else if (e.Error != null)
{
MessageBox.Show("Error. Details: " + (e.Error as Exception).ToString());
progressBarConvert.Value = 0;
progressBarConvert.Visible = false;
}
else
{
thisBackWrkARgs thisArg = e.Result as thisBackWrkARgs;
progressBarConvert.Visible = true;
progressBarConvert.Value = progressBarConvert.Maximum;
labelStatus.Text = "Done Creating PDF cut splits";
labelStatus.Font = new Font(labelStatus.Font, FontStyle.Bold);
string _PDFname = Path.GetFileNameWithoutExtension(listViewSourcePDFs.CheckedItems[listViewSourcePDFs.CheckedItems.Count - 1].SubItems[0].Text.ToLower());
int cnt = QtyOfJPGS(_PDFname, currentTargetFolder);
if (!listViewSourcePDFs.CheckedItems[listViewSourcePDFs.CheckedItems.Count - 1].SubItems[1].Text.Equals(msgFileMissing))
{
listViewSourcePDFs.CheckedItems[listViewSourcePDFs.CheckedItems.Count - 1].SubItems[1].Text = msgProcessedInto + Convert.ToString(cnt) + " " + msgOutPutType;
}
}
/// The problem solved by this is that the progress bar needs to reach 100% and then go away
/// by itself. There is an animation delay going on in that that bar step to 100% but the
/// progressbar visible command closes out the bar before that animation duration gets anywhere.
/// This results in no progress shown for the last step. A sleep thread does
/// not work because the progress bar animation up to that 100% sleeps in the same thread.
if (progressBarConvert.Value == progressBarConvert.Maximum)
{
DateTime Tthen = DateTime.Now;
do
{
Application.DoEvents();
} while (Tthen.AddSeconds(1) > DateTime.Now);
progressBarConvert.Visible = false;
}
buttonStart.Enabled = true;
buttonHalt.Enabled = false;
listViewSourcePDFs.Enabled = true;
}
private void StartProcess()
{
string sourceFolder = currentSourceFolder;
string targetFolder = currentTargetFolder;
buttonStart.Enabled = false;
buttonHalt.Enabled = true;
labelStatus.Text = "Starting processing at " + sourceFolder + ".";
listViewSourcePDFs.Enabled = false;
int cntTotal = listViewSourcePDFs.CheckedItems.Count;
progressBarConvert.Maximum = cntTotal * progTickMult; // first mark means started
progressBarConvert.Minimum = 0;
progressBarConvert.Step = 1;
progressBarConvert.Visible = true;
progressBarConvert.Value = 1; // show some progress
List <string> SourcesList = new List <string>();
foreach (ListViewItem thisItem in listViewSourcePDFs.CheckedItems)
{
String pdfName = sourceFolder + "/" + thisItem.SubItems[0].Text;
SourcesList.Add(pdfName);
thisItem.SubItems[1].Text = "Queued";
}
thisBackWrkARgs thisArg = new thisBackWrkARgs();
thisArg.SourceList = SourcesList;
thisArg.targetFolder = targetFolder;
thisArg.cutSuffixText = cutSuffixText;
thisArg.outPutExtType = outPutExtType;
if (!backgroundWorker1.IsBusy)
{
backgroundWorker1.RunWorkerAsync(thisArg);
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
Thread.CurrentThread.Priority = ThreadPriority.Highest;
thisBackWrkARgs thisArg = e.Argument as thisBackWrkARgs;
int inDx = 0;
foreach (string fullPDFpathname in thisArg.SourceList)
{
if (File.Exists(fullPDFpathname))
{
backgroundWorker1.ReportProgress(inDx, Path.GetFileName(fullPDFpathname));
PDFtoWhateverC.ConvertPDF.ConvertPDFToMultipleImagesAKS(fullPDFpathname, thisArg.targetFolder, thisArg.cutSuffixText, thisArg.outPutExtType);
inDx++;
}
else // source file became missing on the way!
{
// negative progress signals a missing file but inDxZeroMissing used for indx found missing
if (inDx == 0)
{
backgroundWorker1.ReportProgress(inDxZeroMissing, Path.GetFileName(fullPDFpathname));
}
else
{
backgroundWorker1.ReportProgress(-inDx, Path.GetFileName(fullPDFpathname));
}
inDx++;
}
//if cancellation is pending, cancel work.
if (backgroundWorker1.CancellationPending)
{
e.Cancel = true;
return;
}
}
}