Re: function in DLL
re is already in static and i only use re now..
for information :
in my class DLLwrapper i already use the win32 function like :
LoadLibrary, LoadString, FreeLibrary.
and it works well... but i would like really to make my previous code
working..
here is how it looks like :
extern "C" __declspec(dllexport) LPTSTR DLL_GetString(HMODULE hwnd_DLL,
long Index);
extern "C" __declspec(dllexport) LPTSTR DLL_GetString(HMODULE hwnd_DLL,
long Index)
{
int iError;
static TCHAR re[2048] = {'\0'};
iError = ::LoadString(hwnd_DLL,Index, re, sizeof(re)/sizeof(re[0]));
return(re);
}
even if re is declared as static, it does not help. :-(
Al.
Abdo Haji-Ali wrote:
"--== Alain ==--" <nospam@noemail.com> wrote in message
news:#ixSqhY5GHA.3736@TK2MSFTNGP02.phx.gbl...
extern "C" __declspec(dllexport) LPTSTR GetString(HMODULE hwnd_DLL, int
Index);
extern "C" __declspec(dllexport) LPTSTR GetString(HMODULE hwnd_DLL, int
Index)
{
static TCHAR *strRes;
int iError;
TCHAR re[2048] = {'\0'};
strRes=&re[0];
What the point of this line? Saving the address of the string as static
doesn't mean that the string itself won't get freed when you return from the
function. You'll have to make the whole array static.
static TCHAR re[2048] = {'\0'};
iError = ::LoadString(hwnd_DLL,Index, re, sizeof(re)/sizeof(re[0]));
return(strRes);
return re; // No need for strRes at all
}
i also tried to pass it by reference, but nothing has changed.
Can you show us the code which you think has failed?
i tried also to turn the function to send back a string (STL), but
nothing works also...
Same as before...
BTW, Alex has suggested a way to load string from a DLL string table without
the need to export a function from the DLL itself . You can always use the
Win32 equivalent of the MFC functions, like:
HINSTANCE hResInst = ::AfxLoadLibrary(dllName);
You can use LoadLibrary instead of AfxLoadLibray()
CString strMessage;
strMessage.LoadString(hResInst, IDS_MESSAGE);
You can use Win32's LoadString() (Not yours)...
::AfxFreeLibrary(hResInst);
This one is just like FreeLibrary()