C / C++ / MFC

CString csQuery (_T ("Select * from table where ID = "));
csQuery += val;
AdoConnection.Execute(csQuery, NULL, -1);

CString strQuery;
strQuery.Format("Select * from table where ID = %?",val); //where %? is the type of the val.
.Execute(strQuery,NULL,-1); 

//defined as DLL_USE __declspec(dllexport) OR __declspec(dllimport)<br />
BOOL DLL_USE WINAPI Dll_HookApp()<br />
{<br />
	g_hHook = SetWindowsHookEx(WH_CBT,(HOOKPROC)Dll_HookProc,(HMODULE)g_hInstDll,(DWORD)NULL);<br />
	if (g_hHook)<br />
		return TRUE;<br />
	else<br />
		return FALSE;<br />
}<br />
<br />
BOOL DLL_USE WINAPI Dll_UnhookApp()<br />
{<br />
	if (g_hHook != NULL)<br />
        	return ::UnhookWindowsHookEx(g_hHook);<br />
	else<br />
		return FALSE;<br />
}<br />
<br />
static LRESULT CALLBACK Dll_HookProc(int nCode, WPARAM wParam, LPARAM lParam)<br />
{<br />
	LRESULT lRes = 0;<br />
<br />
	if(nCode < 0)<br />
		return CallNextHookEx(g_hHook, nCode, wParam, lParam);<br />
<br />
	//Some operations<br />
<br />
	return lRes;<br />
}

DLL_USE LRESULT CALLBACK CBTHandler(int nCode, WPARAM wParam, LPARAM lParam)<br />
{<br />
// do stuff here<br />
}