/// <summary>
/// This is the event handler for PrintManager.PrintTaskRequested.
/// </summary>
/// <param name="sender">PrintManager</param>
/// <param name="e">PrintTaskRequestedEventArgs</param>
private void PrintTaskRequested(PrintManager sender, PrintTaskRequestedEventArgs e)
{
PrintTask printTask = null;
printTask = e.Request.CreatePrintTask(_printTaskName, sourceRequested =>
{
ApplyPrintSettings(printTask);
// Print Task event handler is invoked when the print job is completed.
printTask.Completed += async(s, args) =>
{
// Notify the user when the print operation fails.
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
foreach (var element in _stateBags.Keys)
{
_stateBags[element].Restore(element);
}
_stateBags.Clear();
DetachCanvas();
_canvasContainer.RequestedTheme = ElementTheme.Default;
switch (args.Completion)
{
case PrintTaskCompletion.Failed:
{
OnPrintFailed?.Invoke();
break;
}
case PrintTaskCompletion.Canceled:
{
OnPrintCanceled?.Invoke();
break;
}
case PrintTaskCompletion.Submitted:
{
OnPrintSucceeded?.Invoke();
break;
}
}
});
};
sourceRequested.SetSource(_printDocumentSource);
});
}
/// <summary>
/// This is the event handler for PrintManager.PrintTaskRequested.
/// </summary>
/// <param name="sender">PrintManager</param>
/// <param name="e">PrintTaskRequestedEventArgs </param>
protected virtual void PrintTaskRequested(PrintManager sender, PrintTaskRequestedEventArgs e)
{
PrintTask printTask = null;
printTask = e.Request.CreatePrintTask("C# Printing SDK Sample", sourceRequested =>
{
// Print Task event handler is invoked when the print job is completed.
printTask.Completed += async(s, args) =>
{
// Notify the user when the print operation fails.
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
_canvasContainer.RequestedTheme = ElementTheme.Default;
await DetachCanvas();
switch (args.Completion)
{
case PrintTaskCompletion.Failed:
{
OnPrintFailed?.Invoke();
break;
}
case PrintTaskCompletion.Canceled:
{
OnPrintCanceled?.Invoke();
break;
}
case PrintTaskCompletion.Submitted:
{
OnPrintSucceeded?.Invoke();
break;
}
}
});
};
sourceRequested.SetSource(_printDocumentSource);
});
}