If you did not succeed, GetLastError may give more information If (OpenPrinter(szPrinterName.Normalize(), out hPrinter, IntPtr.Zero))īSuccess = WritePrinter(hPrinter, pBytes, dwCount, out dwWritten)

Public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount)īool bSuccess = false // Assume failure unless you specifically succeed. Returns true on success, false on failure. of bytes, the function sends those bytes to the print queue. When the function is given a printer name and an unmanaged array Public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, Int32 dwCount, out Int32 dwWritten) Public static extern bool EndPagePrinter(IntPtr hPrinter) Public static extern bool StartPagePrinter(IntPtr hPrinter) Public static extern bool EndDocPrinter(IntPtr hPrinter) Public static extern bool StartDocPrinter(IntPtr hPrinter, Int32 level, DOCINFOA di) Public static extern bool ClosePrinter(IntPtr hPrinter) Public static extern bool OpenPrinter( string szPrinter, out IntPtr hPrinter, IntPtr pd) I apologize for the way that put the first part of the question, I am upset for failing to deliver the project I'm already 3 weeks and nothing, forgive me.Īnother unsuccessful attempt, the file appears in the print queue, but it prints blank: public class RawPrinterHelper Var resultPrint = ShellExecute(IntPtr.Zero, 'Print', fullPath, '', '', ShowCommands.SwShowminimized).ToInt32() String lpDirectory, ShowCommands nShowCmd) Private static extern IntPtr ShellExecute(IntPtr hwnd, string lpOperation, string lpFile, string lpParameters, With the ShellExecute method below I can send the print, but in case of pdf Adobe Reader is open, the quiet was he not open, and the file to be sent directly to the print queue. There is an application ' ' which does exactly what I need, does anyone have any idea how it works? Example, it prints pdf files without opening the adobe reader, not even in task manager adobe appears, the only requirement is to have his application associated with the file. I tried various ways, I used ShellExecute, Process, PrintDocument, all without success. I would like to print silent multiple files (txt, pdf, htm.

Where is print conductor in acrobat