VC 得到系统所有打印机和默认打印机

 //得到所有打印机
 DWORD dwSize,dwPrinters;
 ::EnumPrinters(PRINTER_ENUM_CONNECTIONS | PRINTER_ENUM_LOCAL,NULL,5,NULL,0,&dwSize,&dwPrinters);
 BYTE *pBuffer=new BYTE[dwSize];
 ::EnumPrinters(PRINTER_ENUM_CONNECTIONS | PRINTER_ENUM_LOCAL,NULL,5,pBuffer,dwSize,&dwSize,&dwPrinters);

 CString sPrinter;
 if(dwPrinters!=0)
 {
     PRINTER_INFO_5 *pPrnInfo=(PRINTER_INFO_5 *)pBuffer;
     for(int i=0;i <dwPrinters;i++)
     {
         sPrinter.Format(_T("%s"),pPrnInfo-> pPrinterName);
         pPrnInfo++;//指针后移
     }
 }
 delete []pBuffer;

 //得到默认打印机并弹出属性编辑
 #include <WinSpool.h>
 #pragma comment(lib, "Winspool.lib")

 #include <shellapi.h>
 #pragma comment(lib, "shell32.lib")

 BOOL OpenDefaultPrinter()
 {
     BOOL bRet = FALSE;

     DWORD dwSize = 0;
     if(!GetDefaultPrinter(NULL, &dwSize)
         && GetLastError()==ERROR_INSUFFICIENT_BUFFER)
     {
         TCHAR *szPrinter = new TCHAR[dwSize+1];
         if(GetDefaultPrinter(szPrinter, &dwSize))
         {
             if(SHInvokePrinterCommand(
                 NULL, //GetSafeHwnd(),
                 PRINTACTION_PROPERTIES,
                 szPrinter,
                 NULL,
                 FALSE))
             {
                 bRet = TRUE;
             }
         }
         delete []szPrinter;
     }

     return bRet;
 }