class Dl {
public:
	Dl::Dl() {
		hinstLib = 0;
	}
	Dl::~Dl() {
		if (hinstLib) 
			if (FreeLibrary(hinstLib) == 0)
				throw Exc(t_("Dl cannot be released"));
	}
	bool Dl::Load(const String &fileDll) {
		if (hinstLib) 
			if (FreeLibrary(hinstLib) == 0)
				return false;
		
		hinstLib = LoadLibraryEx(TEXT(fileDll), NULL, LOAD_IGNORE_CODE_AUTHZ_LEVEL);
		if (!hinstLib) 
			return false;
		return true;
	}
	void *Dl::GetFunction(const String &functionName) {
		if (!hinstLib) 
			return NULL;
		return (void *)GetProcAddress(hinstLib, functionName);
	}
private:
	HINSTANCE hinstLib;	
};