![]() In this case, the issue might be caused by a style element on the page. If the document prints successfully, it may suggest a problem with the original website or document you were trying to print. Select the printer with the settings you were trying to print with earlier, and then click Print. Go to Settings and more > Print or press Ctrl+P to open the Print dialog. Open a website or online document other than the one you're unable to print. Test to see if Microsoft Edge is printing properly for other websites or documents: Step 1: Test printing from other websites or documentsĪ website or document may have damaged graphics, fonts, or code that can be the cause of the print issue. Instead of making assumptions about what's causing your printing problem, approach the issue by using the following methodical troubleshooting steps. Typically, the source will be one of the following:Ī damaged document or problem with the website The first step in resolving printing issues in Microsoft Edge is to determine which component is the source of the issue. It may show up as an error message when you try to print in the browser or as the printer not responding. More InformationĪ print issue can occur due to a variety of reasons. This article provides some tips to diagnose and resolve them in Microsoft Edge. StreamReader sr = new StreamReader(open.Printing issues can be tricky and troublesome. If (open.ShowDialog().Equals(DialogResult.OK)) Private void buttonSEND_Click(object sender, EventArgs e) Public static bool SendStringToPrinter(string szPrinterName, string szString) Public static bool SendFileToPrinter(string szPrinterName, string szFileName) If (OpenPrinter(szPrinterName.Normalize(), out hPrinter, IntPtr.Zero)) Public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount) Public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, Int32 dwCount, out Int32 dwWritten) Public static extern bool StartDocPrinter(IntPtr hPrinter, Int32 level, DOCINFOA di) It worked for me! public partial class USB : Form SendBytesToPrinter(szPrinterName, pBytes, dwCount) Send the converted ANSI string to the printer. PBytes = Marshal.StringToCoTaskMemAnsi(szString) Assume that the printer is expecting ANSI text, and then convert How many characters are in the string?ĭwCount = (szString.Length + 1) * Marshal.SystemMaxDBCSCharSize Public static bool SendStringToPrinter( string szPrinterName, string szString ) Free the unmanaged memory that you allocated earlier. Send the unmanaged bytes to the printer.īSuccess = SendBytesToPrinter(szPrinterName, pUnmanagedBytes, nLength) Marshal.Copy(bytes, 0, pUnmanagedBytes, nLength) Copy the managed byte array into the unmanaged array. PUnmanagedBytes = Marshal.AllocCoTaskMem(nLength) Allocate some unmanaged memory for those bytes. Read the contents of the file into the array. Dim an array of bytes big enough to hold the file's contents. Public static bool SendFileToPrinter( string szPrinterName, string szFileName )įileStream fs = new FileStream(szFileName, FileMode.Open) 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) How to send raw data to a printer by using Visual C#. Microsoft has this sample code available to use:
0 Comments
Leave a Reply. |