Thread: [Linker error] undefined reference to `EnumPrintersA@28'

Hey all,

i am new to c++ but there is something that eludes me.

i am using Dev-C++ 4.9.9.2 and my dll doesn't want to compile.

for some odd reason i have an undefined reference to enumPrintersA

Below is the code i use.

Code:

#include "Helloworld.h"
#include <windows.h>
#include <stdio.h>
#include <Winspool.h>


BOOL APIENTRY DllMain (HINSTANCE hInst     /* Library instance handle. */ ,
                       DWORD reason        /* Reason this function is being called. */ ,
                       LPVOID reserved     /* Not used. */ )
{
    switch (reason)
    {
      case DLL_PROCESS_ATTACH:
        break;

      case DLL_PROCESS_DETACH:
        break;

      case DLL_THREAD_ATTACH:
        break;

      case DLL_THREAD_DETACH:
        break;
    }

    /* Returns TRUE on success, FALSE on failure */
    return TRUE;
}

JNIEXPORT void JNICALL Java_Helloworld_displayMessage
  (JNIEnv *, jobject)
  {
   
     DWORD dwNeeded, dwReturned; 
     PRINTER_INFO_4 * pinfo4;
     DWORD dwBytes = 0;
     DWORD dwStatus = 0;
     DWORD dwSize = 0;
     PRINTER_INFO_2* pPrnInfo2 =0;
     DEVMODE DevMode = {0};
     PRINTER_DEFAULTS PrnDef = {0, &DevMode, PRINTER_ACCESS_USE}; 
     EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 4 , (PBYTE) pinfo4, dwNeeded, &dwNeeded, &dwReturned);
     printf(pinfo4->pPrinterName); 
  }

thanks in advance for your replies

Originally Posted by IKMOADBM

i am using Dev-C++ 4.9.9.2 and my dll doesn't want to compile.

Looks like your program compiles fine. What you have is a linker-error. You have to add the library that contains enumPrintersA to your project.
Kurt

thanks,

i think i solved it now