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 MainWindow()//constructor for the printers
{
InitializeComponent();
queue = new Queue <PrinterUserControl>();
foreach (Control item in printersGrid.Children)//scan the grid for peinters and add them to a queue
{
if (item is PrinterUserControl)
{
PrinterUserControl printer = item as PrinterUserControl;
//register to events:
printer.PageMissing += PageMissingFunc;
printer.InkEmpty += InkEmptyFunc;
queue.Enqueue(printer);
}
}
CurrentPrinter = queue.Dequeue();//assign the firstprinter into queue
}