#define FUNC_ADDR(hDll, func) pf##func func = \ (pf##func)GetProcAddress(hDll,#func);\
if(! func) {\
AfxMessageBox("GetAddrErr"#func);\
} HMODULE hDll = LoadLibrary("InvoicePrintMP512.dll");
if(!hDll) {
AfxMessageBox("LoadErr");
}
FUNC_ADDR(hDll, OpenDevice)
FUNC_ADDR(hDll, CloseDevice)