Calling dll

[Le rner]

Hi all, i have made a dll i want to use that dll in my program i have called the function of that dll using this code

typedef void (*function1_ptr) ();
function1_ptr function1=NULL;

int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{

HMODULE myDll = LoadLibrary("myfile.dll"); 

if(myDll)
{  
	function1 = (function1\_ptr) GetProcAddress(myDll,"function1");  

	if(function1)  
		function1();

	FreeLibrary(myDll);
}

return 0;

}

i have copied my dll in debug folder, but control is not going inside if statement... how should i do it.... can anybody please help me... Thanks in advance

To accomplish great things, we must not only act, but also dream; not only plan, but also believe.

[Madhu Nair 0]

Try giving full path in LoadLibrary. HMODULE myDll = LoadLibrary("myfile.dll"); to something like HMODULE myDll = LoadLibrary("C:\\Myproject\\debug\\myfile.dll");

[Abhi Lahare]

What the error return code you are getting from LoadLibrary function?

[EverettJF]

GetProcAddress(myDll,"function1"); maybe the 2nd parameter is the key. you could use "dumpbin /exports myfile.dll" to check the exported functions' name. then,give the right name string. i think your dll should include .def file

modified on Tuesday, December 29, 2009 3:16 AM

[Cedric Moonen]

Le@rner wrote:

but control is not going inside if statement...

Which one ? The one after the call to LoadLibrary or the one after the call to GetProcAddress ? If this is the second call, make sure that you have provided a module defintion file (.def file) as explained in the documentation[^]

Cédric Moonen Software developer
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