CODEWITHSUNDEEP
winapiprinting
RazorRunner
RazorRunner

Reputation: 141

GetPrinterDriverDirectory set 1780 errorcode

Please, explain me what means 1780 RPC_X_NULL_REF_POINTER - "A null reference pointer was passed to the stub." There is some code/ where I am calling GetPrinterDriverDirectory():

char DriverDir[MAX_PATH];
LPDWORD needed = 0;
Result = GetPrinterDriverDirectory(NULL, TEXT("Windows x86"), 1, (LPBYTE)&DriverDir, MAX_PATH, needed);

P.S. Spooler and RPC services are running.

Upvotes: 1

Views: 513

Answers (1)

user1160310
user1160310

Reputation:

The last parameter should be a pointer to a DWORD rather than 0. This should work:

DWORD needed = 0;
Result = GetPrinterDriverDirectory(NULL, TEXT("Windows x86"), 1, (LPBYTE)&DriverDir, MAX_PATH, &needed);

Upvotes: 2

Related Questions