Web31 de mai. de 2024 · A pointer to a variable that the function sets to the size, in bytes, of the printer information. If cbBuf is smaller than this value, GetPrinter fails, and the value … Web2 de ago. de 2001 · OpenPrinter () I copied the MSDN code for the example RawDataToPrinter () and placed it in a member function of my VIEW. I added #include "Winspool.h" to my .cpp file. When I compile I get this error. error C2664: 'StartDocPrinterA' : cannot convert parameter 3 from 'char *' to 'unsigned char *'
发送ZPL到斑马打印机的.NET代码 - IT宝库
Web31 de mai. de 2024 · Use the OpenPrinter or AddPrinter function to retrieve a printer handle. Level [in] The level or type of structure that the function stores into the buffer pointed to by pPrinter. This value can be 1, 2, 3, 4, 5, 6, 7, 8 or 9. pPrinter [out] A pointer to a buffer that receives a structure containing information about the specified printer. Web9 de abr. de 2015 · To expound upon Avi's solution, the problem is that the call to OpenPrinter must specify the job identifier, in addition to the printer name. From MSDN: hPrinter [in] A handle to the printer object for which to retrieve data. Use the OpenPrinter function to retrieve a printer object handle. Use the format: Printername, Job xxxx . greene texas sites
GetPrinter function (Winspool.h) - Win32 apps Microsoft Learn
Web7 de jan. de 2024 · The SetPrinter function sets the data for a specified printer or sets the state of the specified printer by pausing printing, resuming printing, or … Web执行基本打印操作。. PRINTER_ALL_ACCESS. 执行除SYNCHRONIZE以外的所有管理任务和基本打印操作。. 通用安全性值,如WRITE_DAC. 允许特定的控制访问权限。. 如果用户没有权限打开具有所需访问权限的指定打印机或打印服务器,则 OpenPrinter 调用将失败,返 … Web8 de jan. de 2024 · winspool.drv openprinter issue. keeps failing. Function Long WritePrinterB (Long Handle, Ref Blob pData, Long pDataLen, Ref Long BytesWritten) Library "winspool.drv" Alias For "WritePrinter;ansi". FUNCTION long GetErrMessage (Long dwFlags ,ref Any lpSource , Long dwMessageId, Long dwLanguageId, ref String lpBuffer, … fluid filled hiatus hernia