IltmmCapture::GetSubObjectDispatch Example for C
// This function determines if the Lens effect filter is available
// and turns off the effect area (cropping feature)
void TurnOffLensCropping(IltmmCapture *pCapture)
{
HRESULT hr;
IDispatch *pDisp = NULL;
ILMVLens *pLens = NULL;
// call the Capture object to retrieve the FilterGraph
hr = IltmmCapture__getSubObjectDispatch(pCapture, ltmmCapture_Object_SelVideoProcessor, &pDisp);
if(SUCCEEDED(hr))
{
hr = IDispatch_QueryInterface(pDisp, &IID_ILMVLens, (void**)&pLens);
if(SUCCEEDED(hr))
{
ILMVLens__put_EffectAreaEnabled(pLens, VARIANT_FALSE);
ILMVLens_Release(pLens);
}
IDispatch_Release(pDisp);
}
}
L_MULTIMEDIATEX_API void IltmmCapture_GetSubObjectDispatch_Example (IltmmCapture *pCapture) { HRESULT hr; IDispatch *pDisp = NULL; ILMVLens *pLens = NULL; // call the Capture object to retrieve the FilterGraph hr = IltmmCapture_GetSubObjectDispatch(pCapture, ltmmCapture_Object_SelVideoProcessor, &pDisp); if(SUCCEEDED(hr)) { hr = IDispatch_QueryInterface(pDisp, &IID_ILMVLens, (void**)&pLens); if(SUCCEEDED(hr)) { ILMVLens_put_EffectAreaEnabled(pLens, VARIANT_FALSE); ILMVLens_Release(pLens); } IDispatch_Release(pDisp); } }