async void OnPrintDocumentPrintTaskRequested(PrintManager sender,
PrintTaskRequestedEventArgs args)
{
PrintTaskRequestedDeferral deferral = args.Request.GetDeferral();
// Obtain PrintTask
PrintTask printTask = args.Request.CreatePrintTask("Finger Paint",
OnPrintTaskSourceRequested);
// Probably set orientation to landscape
PrintTaskOptionDetails optionDetails =
PrintTaskOptionDetails.GetFromPrintTaskOptions(printTask.Options);
PrintOrientationOptionDetails orientation =
optionDetails.Options[StandardPrintTaskOptions.Orientation] as
PrintOrientationOptionDetails;
bool bitmapIsLandscape = false;
await border.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
BitmapSource bitmapSource = getBitmap();
bitmapIsLandscape = bitmapSource.PixelWidth > bitmapSource.PixelHeight;
});
orientation.TrySetValue(bitmapIsLandscape ? PrintOrientation.Landscape :
PrintOrientation.Portrait);
deferral.Complete();
}
void OnPrintManagerPrintTaskRequested(PrintManager sender, PrintTaskRequestedEventArgs args)
{
// Create PrintTask
PrintTask printTask = args.Request.CreatePrintTask("Monthly Planner",
OnPrintTaskSourceRequested);
// Set orientation to landscape
PrintTaskOptionDetails optionDetails =
PrintTaskOptionDetails.GetFromPrintTaskOptions(printTask.Options);
PrintOrientationOptionDetails orientation =
optionDetails.Options[StandardPrintTaskOptions.Orientation] as
PrintOrientationOptionDetails;
orientation.TrySetValue(PrintOrientation.Landscape);
}
