Re: Access Violation on LoadLibrary

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#8728

From: Vladimir Afanasyev
Date: Tue, 21 Sep 2004 16:08

31 lines
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Hi,

>
>I'm dealing with a DLL and i'm getting Access Violation Errors continously.What is wrong with my code?
>
>Analyzer
>
>//---------------------------------------------------------------------------
>
>#include <vcl.h>
>#pragma hdrstop
>
>#include "main.h"
>#include "hllapi.h"
>//---------------------------------------------------------------------------
>#pragma package(smart_init)
>#pragma resource "*.dfm"
>TForm1 *Form1;
>
>typedef WORD WINAPI(*THllapiEntry) (int *, char *, int *, int *);
>
>HWND DllHandle = LoadLibrary("PCSHLL32");
>
>THllapiEntry EntryPoint = (THllapiEntry)GetProcAddress( DllHandle, "HLLAPI" );
>

In bad case LoadLibrary can return NULL and next call will 
not work properly. So first try to verify results of LoadLibrary 
and GetProcAddress in your code.
Vladimir.

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