IltmmSupportManager::UnlockSupport Example for C
IltmmSupportManager* g_pSprtMngr;
HRESULT DVDUnlockSupport()
{
VARIANT_BOOL vb;
HRESULT hr = CoCreateInstance(&CLSID_ltmmSupportManager, NULL, CLSCTX_INPROC_SERVER, &IID_IltmmSupportManager, (void**)&g_pSprtMngr);
if (hr != S_OK)
return -1;
IltmmSupportManager_IsSupportLocked (g_pSprtMngr, L_SUPPORT_CONVERTFROMDVD, &vb);
if (vb == VARIANT_TRUE)
{
static TCHAR L_KEY_CONVERTFROMDVD[] = "DVDKey";
hr = IltmmSupportManager_UnlockSupport (g_pSprtMngr, L_SUPPORT_CONVERTFROMDVD, T2OLE(L_KEY_CONVERTFROMDVD));
if (hr != S_OK)
{
IltmmSupportManager_Release(g_pSprtMngr);
return hr;
}
IltmmSupportManager_IsSupportLocked (g_pSprtMngr, L_SUPPORT_CONVERTFROMDVD, &vb);
if (vb != VARIANT_FALSE)
return E_FAIL;
return S_OK;
}
return S_OK;
}