private void InkEmptyFunc(object sender, PrinterEventArgs e)//event handler for ink
{
if (e.IsCritic)
{
MessageBox.Show("at:" + e.ErrorTime + "\nMessage from printer: " + e.Message, e.PrinterName + " Ink Missing!!!!!!", MessageBoxButton.OK, MessageBoxImage.Error);
CurrentPrinter.addInk();
queue.Enqueue(CurrentPrinter);
CurrentPrinter = queue.Dequeue();
}
else
{
MessageBox.Show("at:" + e.ErrorTime + "\nMessage from printer: " + e.Message, e.PrinterName + " Ink Missing!!!!!!", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
private void PageMissingFunc(object sender, PrinterEventArgs e)
{
MessageBox.Show("at:" + e.ErrorTime + "\nMessage from printer: " + e.Message, e.PrinterName + " Page Missing!!!!!!", MessageBoxButton.OK, MessageBoxImage.Error);
CurrentPrinter.addPages();
if (CurrentPrinter.InkCount <= 0)//in case the ink is also missing the program activate the second event
{
return;
}
else
{
queue.Enqueue(CurrentPrinter);
CurrentPrinter = queue.Dequeue();
}
}
public void Print()
{
// 1. roll the random numbers to use for print
double inkUse = rnd.Next((int)MIN_ADD_INK, (int)MAX_PRINT_INK);
int pageUse = rnd.Next(MIN_ADD_PAGES, MAX_PRINT_PAGES);
Thread.Sleep(500);
// 2. reduce the ink and pages from printer values and visual bars
PageCount -= pageUse;
howPageMissing = PageCount;
this.pageCountSlider.Value = PageCount;
InkCount -= inkUse;
this.inkCountProgressBar.Value = InkCount;
// 3. activate events and error messages if needed
if (PageCount <= 0)
{
pageLabel.Foreground = Brushes.Red;
PrinterEventArgs noPages = new PrinterEventArgs(true, "Missing " + howPageMissing * (-1) + " Pages", PrinterName);
PageMissing(this, noPages);
}
if (InkCount <= 15 && InkCount > 10)
{
inkLabel.Foreground = Brushes.Yellow;
PrinterEventArgs lowInk = new PrinterEventArgs(false, "Low ink, only " + Convert.ToString(InkCount) + "% ink remain.", printerName);
InkEmpty(this, lowInk);
}
else if (InkCount <= 10 && InkCount > 0)
{
inkLabel.Foreground = Brushes.Orange;
PrinterEventArgs veryLowInk = new PrinterEventArgs(false, "Very low ink, only " + Convert.ToString(InkCount) + "% ink remain.", printerName);
InkEmpty(this, veryLowInk);
}
else if (inkCount <= 0)
{
inkLabel.Foreground = Brushes.Red;
PrinterEventArgs criticInk = new PrinterEventArgs(true, "No ink left. Please add ink", printerName);
InkEmpty(this, criticInk);
}
}
