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CRichEditView::QueryAcceptData 

Called by the framework to paste an object into the rich edit.


virtual HRESULT QueryAcceptData(
   LPDATAOBJECT lpdataobj,
   CLIPFORMAT* lpcfFormat,
   DWORD dwReco,
   BOOL bReally,
   HGLOBAL hMetaFile 
);

Parameters

lpdataobj

Pointer to the IDataObject to query.

lpcfFormat

Pointer to the acceptable data format.

dwReco

Not used.

bReally

Indicates if the paste operation should continue or not.

hMetaFile

A handle to the metafile used for drawing the item's icon.

An HRESULT value reporting the success of the operation.

Override this function to handle different organization of COM items in your derived document class. This is an advanced overridable.

For more information on HRESULT and IDataObject, see Structure of COM Error Codes and IDataObject, respectively, in the Platform SDK.

// From the WordPad sample, wordpvw.cpp
HRESULT CWordPadView::QueryAcceptData(LPDATAOBJECT lpdataobj,
   CLIPFORMAT* lpcfFormat, DWORD reco, BOOL bReally,
   HGLOBAL hMetaPict)
{
   if (bReally && *lpcfFormat == 0 && (m_nPasteType == 0))
   {
      COleDataObject dataobj;
      dataobj.Attach(lpdataobj, FALSE);
      if (!dataobj.IsDataAvailable(cfRTO)) // native avail, let 
                                           // richedit do as it wants
      {
         if (dataobj.IsDataAvailable(cfEmbeddedObject))
         {
            if (PasteNative(lpdataobj)) // See WordPad for info
                                        // on PasteNative
               return S_FALSE;
         }
      }
   }
   return CRichEditView::QueryAcceptData(lpdataobj, lpcfFormat, reco, 
      bReally, hMetaPict);
}
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