C / C++ / MFC

int MyFunction(int a, int b)<br />
{	<br />
	CWnd::UpDateData(TRUE);<br />
	return a+b;<br />
}

class CMyProjectDlg : public CDialog<br />
{<br />
int MyFunction(int num1, int num2);<br />
}

int CMyProjectDlg::MyFunction(int a, int b)<br />
{	<br />
	UpDateData(TRUE);<br />
	return a+b;<br />
}

<code>typedef HRESULT (WINAPI *DLLREG)();</code>

HMODULE hLib;

hLib=<code>LoadLibrary</code>(YOU_COM_DLL_NAME);

if(!hLib)
{
MessageBox(NULL,"The File you Refering not found","Error",MB_OK);
return;
}

 //now get procedure address of  DllRegisterServer
DLLREG fnDllReg;

fnDllReg=(DLLREG)GetProcAddress("<code>DllRegisterServer</code>");

if(!fnDllReg)
{
MessageBox(NULL,"The Dll is Loaded Correctly but DllRegisterServer function
not found","ERROR",MB_OK);
return;
}

//till now we have got the Procedure address of The function
//call the function

if(SUCCEEDED(<code>fnDllReg</code>))
 MessageBox(NULL,"The Com DLL register Successfully","CONGRETS",MB_OK);
else
 MessageBox(NULL,"The Com DLL registerering fail","ERROR",MB_OK);


}