// timer tick (update states)
// dataloader related events
private void DataLoader_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (e.UserState != null)
{
BGWResult result = (BGWResult)e.UserState;
Debug.WriteLine("Progress: " + e.ProgressPercentage + " | " + result.Msg);
w_InfoLbl.Content = e.ProgressPercentage + "% : " + result.Msg;
}
}
private void DataLoader_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
Classes.Util.ShowCallInfo();
if (e.Cancelled || (e.Result != null && ((BGWResult)e.Result).Error))
{
Debug.WriteLine("Dataloader was cancelled!");
if (e.Result != null)
{
BGWResult result = (BGWResult)e.Result;
w_InfoLbl.Foreground = Brushes.Red;
w_InfoLbl.Content = result.Msg;
mLoadingError = true;
}
}
else
{
mLoadingDone = true;
}
}
private void DataLoader_DoWork(object sender, DoWorkEventArgs e)
{
Classes.Util.ShowCallInfo();
BackgroundWorker worker = sender as BackgroundWorker;
string[] files = e.Argument as string[];
FileInfo[] fi = new FileInfo[files.Length];
long fileSizeSum = 0;
for (int i = 0; i < files.Length; i++)
{
fi[i] = new FileInfo(files[i]);
if (fi[i].Exists)
{
fileSizeSum += fi[i].Length;
}
}
for (int i = 0; i < fi.Length; i++)
{
// check cancellation
if (worker.CancellationPending)
{
Debug.WriteLine("Dataloader cancel!");
e.Cancel = true;
return;
}
if (fi[i].Exists && fi[i].Length > 0)
{
// TODO: process file data
for (int j = 0; j < 1000000; j++)
{
for (int k = 0; k < 500; k++)
{
double a = Math.Sqrt(25);
}
}
}
string fileDone = fi[i].Name + " " + (fi[i].Exists ? "is loaded" : "not found");
BGWResult report = new BGWResult(!fi[i].Exists, fileDone);
worker.ReportProgress((i + 1) * 100 / fi.Length, report);
if (!fi[i].Exists || fi[i].Length <= 0)
{
// set error when file is not found
Debug.WriteLine("Dataloader cancel because error!");
//e.Cancel = true;
e.Result = new BGWResult(true, "File not Found: " + fi[i].FullName);
return;
}
}
//const int OUTER_LOOP = 250;
//for (int i = 0; i < OUTER_LOOP; i++)
//{
// for(int j = 0; j < 10000000; j++)
// {
// if (worker.CancellationPending)
// {
// Debug.WriteLine("Dataloader cancel!");
// e.Cancel = true;
// return;
// }
// double a = Math.Sqrt(25);
// }
// worker.ReportProgress(i * 100 / OUTER_LOOP);
//}
//worker.ReportProgress(OUTER_LOOP * 100 / OUTER_LOOP);
}
