IltmmTargetFormat::CreateTargetFormats Example for C

HRESULT CreateTargetFormats_Example (IltmmCapture* pCapture, HWND hWnd)  
{ 
   IltmmTargetFormats*  pformats = NULL;  
   IltmmTargetFormat*   pformat  = NULL;  
   IUnknown* pDICOMFilter;  
   VARIANT_BOOL vb;  
 
   HRESULT hr = IltmmCapture_get_TargetFormats (pCapture, &pformats);  
    
   if(FAILED(hr))  
   { 
      return hr;  
   } 
 
   hr = IltmmTargetFormats_Item(pformats, ltmmCapture_TargetFormat_DICOM, &pformat);  
    
   if(FAILED(hr))  
   { 
      IltmmTargetFormats_Release(pformats);  
      return hr;  
   } 
 
   IltmmTargetFormat_get_UseFilterCache (pformat, &vb);  
    
   hr = IltmmTargetFormat_put_UseFilterCache (pformat, VARIANT_TRUE);  
 
   if(FAILED(hr))  
   { 
      IltmmTargetFormat_Release(pformat);  
 
      IltmmTargetFormats_Release(pformats);  
 
      return hr;  
   } 
 
   /// get the DICOM filter for private use 
   hr = IltmmTargetFormat_GetCacheObject (pformat, ltmmTargetFormat_Object_Mux, &pDICOMFilter);  
 
   if(FAILED(hr))  
   { 
      IltmmTargetFormat_Release(pformat);  
 
      IltmmTargetFormats_Release(pformats);  
 
      return hr;  
   } 
 
   IltmmTargetFormat_HasCacheDialog (pformat, ltmmTargetFormat_Dlg_Mux, &vb);  
 
   if (vb == VARIANT_TRUE)  
      IltmmTargetFormat_ShowCacheDialog (pformat, ltmmTargetFormat_Dlg_Mux, (long)hWnd);  
 
   IltmmTargetFormat_Release(pformat);  
 
   IltmmTargetFormats_Release(pformats);  
 
   IUnknown_Release(pDICOMFilter);  
 
   return S_OK;  
} 
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