/// <summary>
/// Handle the Print Task Setup Event
/// Raised when the source app sets the Print Ticket. This event provides a callback method for the app to signal it is done handling this event
/// and optionally specifying the need for UI, which will cause the UI part of this App to be launched in OnActivated() with ActivationKind.PrintWorkflowForegroundTask .
/// </summary>
/// <param name="sessionManager">Session manager</param>
/// <param name="printTaskSetupArgs">Has the Configuration, which include the PrintTicket, and other information</param>
private void OnSetupRequested(PrintWorkflowBackgroundSession sessionManager, PrintWorkflowBackgroundSetupRequestedEventArgs printTaskSetupArgs)
{
// Request a deferral if any of the calls here might result in an Async method being called
Deferral setupRequestedDeferral = printTaskSetupArgs.GetDeferral();
// Get information about the source application, print job title, and session ID
string sourceApplicationName = printTaskSetupArgs.Configuration.SourceAppDisplayName;
string jobTitle = printTaskSetupArgs.Configuration.JobTitle;
string sessionId = printTaskSetupArgs.Configuration.SessionId;
// Check to see if user wanted to use the watermark already when the program was run "standalone" and saved in local storage
// and not have UI every time. It can always be reset by running the app again and unchecking the check box
localStorage = new LocalStorageUtilities();
suppressUI = localStorage.GetUseStandaloneSettings();
if (!suppressUI)
{
// Indicate that we need to launch the UI, in this example, because we need to get watermarking text, and optionally an image
printTaskSetupArgs.SetRequiresUI();
// Set storage prefix so that foreground and background can pass properties
string localStorageVariablePrefix = string.Format("{0}::", sessionId.Substring(0, 8));
localStorage.SetStorageKeyPrefix(localStorageVariablePrefix);
}
else
{
// Use unprefixed default values set in "standalone" mode, without showing UI when activated in workflow mode
localStorage.SetStorageKeyPrefix("");
}
// Complete the deferral taken out at the start of OnSetupRequested
setupRequestedDeferral.Complete();
}
/// <summary>
/// Handle the Print Task Setup Event
/// Raised when the source app sets the Print Ticket. This event provides a callback method for the app to signal it is done handling this event
/// and optionally specifying the need for UI, which will cause the UI part of this App to be launched in OnActivated() with ActivationKind.PrintWorkflowForegroundTask .
/// </summary>
/// <param name="sessionManager">Session manager</param>
/// <param name="printTaskSetupArgs">Has the Configuration, which include the PrintTicket, and other information</param>
private void OnSetupRequested(PrintWorkflowBackgroundSession sessionManager, PrintWorkflowBackgroundSetupRequestedEventArgs printTaskSetupArgs)
{
// Request a deferral if any of the calls here might result in an Async method being called
Deferral setupRequestedDeferral = printTaskSetupArgs.GetDeferral();
// Get information about the source application, print job title, and session ID
string sourceApplicationName = printTaskSetupArgs.Configuration.SourceAppDisplayName;
string jobTitle = printTaskSetupArgs.Configuration.JobTitle;
string sessionId = printTaskSetupArgs.Configuration.SessionId;
// Check to see if user wanted to use the watermark already when the program was run "standalone" and saved in local storage
// and not have UI every time. It can always be reset by running the app again and unchecking the check box
localStorage = new LocalStorageUtilities();
suppressUI = localStorage.GetUseStandaloneSettings();
if (!suppressUI)
{
// Indicate that we need to launch the UI, in this example, because we need to get watermarking text, and optionally an image
printTaskSetupArgs.SetRequiresUI();
// Set storage prefix so that foreground and background can pass properties
string localStorageVariablePrefix = string.Format("{0}::{1}::", sourceApplicationName, sessionId.Substring(0, 8));
localStorage.SetStorageKeyPrefix(localStorageVariablePrefix);
}
else
{
// Use unprefixed default values set in "standalone" mode, without showing UI when activated in workflow mode
localStorage.SetStorageKeyPrefix("");
}
// Get the printer name
try
{
// Get the PrinterExtensionContextNative from the activation arguments
IntPtr ptr = GetPrintWorkflowConfigurationNativeAsIntPtr(printTaskSetupArgs);
// Create the Print Helper
PrintHelperClass printHelper = new PrintHelperClass(InitializationType.PrinterExtensionContextNativeType, (ulong)ptr);
string printerName = printHelper.GetPrinterName();
// Save the name of the printer
localStorage.SavePrinterNameToLocalStorage(printerName);
}
catch (Exception ex)
{
string errorMessage = ex.Message;
Debug.WriteLine(errorMessage);
}
finally
{
// Complete the deferral taken out at the start of OnSetupRequested
setupRequestedDeferral.Complete();
}
}