IPrintService.PrintAsync Method

Name	Parameters	Description
PrintAsync(Stream, String, PrintContentType)	stream, jobTitle, printContentType	Shows the system print dialog asynchronously. The method returns the Task that completes when the print operation is started or cancelled.
PrintAsync(String, String, PrintContentType)	filePath, jobTitle, printContentType	Prints the document by the specified path asynchronously. The method returns the Task that completes when the print operation is started or cancelled.