Web13 de set. de 2013 · static extern int OpenPrinter(string pPrinterName, out IntPtr phPrinter, IntPtr pDefault); Both signatures will work fine, it is a matter of whether you need a higher level of access to the printer or not. http://pinvoke.net/default.aspx/winspool.openprinter
OpenPrinting - OpenPrinting
Web6 de jul. de 2024 · 云打印是一项服务，可帮助您从手机、电脑等向打印机发送文档。云打印的优势在于：不受网络、操作系统、打印机机型的限制，轻松实现远程异地、高效打印 … Web31 de mai. de 2024 · Starting with Windows Vista, the printer data returned by GetPrinter is retrieved from a local cache when hPrinter refers to a printer hosted by a print server and there is at least one open connection to the print server. In all other configurations, the printer data is queried from the print server. Requirements See also Printing chill flow redruth
GetPrinterDataEx function (Winspool.h) - Win32 apps
Web31 de mai. de 2024 · pPrinterName [in] A pointer to a constant null-terminated string that specifies the name of the printer or print server, the printer object, the XcvMonitor, or the XcvPort. For a printer object, use: PrinterName,Job xxxx. For an XcvMonitor, use: ServerName,XcvMonitor MonitorName. For an XcvPort, use: ServerName,XcvPort … Web20 de dez. de 2016 · FileStream fs = new FileStream (szFileName, FileMode.Open); // Create a BinaryReader on the file. BinaryReader br = new BinaryReader (fs); // Dim an array of bytes big enough to hold the file's contents. Byte [] bytes = new Byte [fs.Length]; // Your unmanaged pointer. IntPtr pUnmanagedBytes = new IntPtr ( 0 ); int nLength; nLength = … Web29 de dez. de 2016 · using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices; namespace BarCodeLibrary { public class ZebraGesigner { [StructLayout(LayoutKind.Sequential)] private struct OVERLAPPED { int Internal; int InternalHigh; int Offset; int OffSetHigh; int hEvent; } [DllImport("kernel32.dll")] … grace for retts