/// <summary>
/// Callback method that is called when printing completes (successfully or as a result of failure).
/// </summary>
/// <param name="_">The Print Interaction controller</param>
/// <param name="completed">Flag indicating if printing has completed.</param>
/// <param name="nsError">NSError value used to report errors during printing. Null if no error.</param>
private static async void PrintCompletion(
UIPrintInteractionController _,
bool completed,
NSError nsError)
{
try
{
if (completed)
{
await PrintStatusReporting.ReportInfoAsync(
CrossPrinting.PrintingMessages.PrintInteractionCompleted);
}
else if (!completed && nsError != null)
{
await PrintStatusReporting.ReportInfoAsync(
CrossPrinting.PrintingMessages.PrintInteractionError);
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
{
await PrintStatusReporting.ReportExceptionAsync(ex);
}
#pragma warning restore CA1031 // Do not catch general exception types
}
/// <summary>
/// Show Print Preview UI
/// </summary>
/// <returns>Task that the caller is expected to await</returns>
protected async Task ShowPrintApiAsync()
{
try
{
if (await RegisterForPrintingAsync())
{
bool showprint = await Windows.Graphics.Printing.PrintManager.ShowPrintUIAsync();
}
else
{
UnwireAllEvents();
}
}
#pragma warning disable CS0168 // Variable is declared but never used
catch (System.IO.FileNotFoundException fnfex)
#pragma warning restore CS0168 // Variable is declared but never used
{
UnwireAllEvents();
await PrintStatusReporting.ReportInfoAsync(
CrossPrinting.PrintingMessages.PrinterServiceBusy);
return;
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
{
if ((ex.Message != null) && (ex.Message.Contains("0x80010115")))
{
// {"OLE has sent a request and is waiting for a reply. (Exception from HRESULT: 0x80010115)"}
await PrintStatusReporting.ReportInfoAsync(
CrossPrinting.PrintingMessages.AwaitingResponse);
UnwireAllEvents();
return;
}
else
{
await PrintStatusReporting.ReportExceptionAsync(ex);
UnwireAllEvents();
return;
}
}
#pragma warning restore CA1031 // Do not catch general exception types
}
