C / C++ / MFC

Unhandled exception at 0x0052aba7 in application.exe;0x0000005;Access violation reading location 0x0000000.

OpenClipboard(NULL);
 EmptyClipboard();
 CloseClipboard();
  

CString szText1;
LPDATAOBJECT pDO;
TCHAR szPath122[MAX_PATH];

// open the clipboard and ask for a CF_HDROP, if any 0x0052abc0
HRESULT hr = OleGetClipboard(&pDO);

FORMATETC fmt = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
STGMEDIUM stgm;
hr = pDO->GetData(&fmt, &stgm);

if(S_OK == hr)
{
   UINT nFiles = DragQueryFile((HDROP)stgm.hGlobal, -1, NULL, 0);
 i = 0;
  
for( i = 0; i < nFiles; i++)
   {
	   ij=1;
	
	   
      DragQueryFile((HDROP)stgm.hGlobal, i, szPath122, MAX_PATH);
	 
	
	
     szText1  +=   szPath122;   
  

	szText1   +=   "\r\n";
  
  
 }


   ReleaseStgMedium(&stgm); // will call GlobalFree
}

pDO->Release();

Exception throw in this line
<code>hr = pDO->GetData(&fmt, &stgm);</code>