C / C++ / MFC

class A
{
public:
	A& operator << (double & arg)
	{
		return *this;
	}
};
class B : public A
{
public:
	B & operator<<(int & arg)
	{
		return *this;
	}
};
...
B test;
test << 5.0;

<br />
	ID3_Tag myTag("test.mp3");<br />
	// Remove Existing TAGs:<br />
	myTag.Clear();<br />
	ID3_Frame* myFrame;<br />
	// Update Image:<br />
	myTag.AddFrame(ID3FID_PICTURE);<br />
	myFrame = myTag.Find(ID3FID_PICTURE);<br />
	if (NULL != myFrame)<br />
	{<br />
		ID3_Field* myField;<br />
		myField  = myFrame->GetField(ID3FN_MIMETYPE);<br />
		if (NULL != myField)<br />
		{<br />
			myField->Set("image/jpeg");<br />
		}<br />
		myField  = myFrame->GetField(ID3FN_PICTURETYPE);<br />
		if (NULL != myField)<br />
		{<br />
			myField->Set(ID3PT_COVERFRONT);<br />
		}<br />
		myField = myFrame->GetField(ID3FN_DATA);<br />
		if (NULL != myField)<br />
		{<br />
			myField->FromFile("cover.jpg");<br />
		}<br />
	}<br />
	// Update the TAG<br />
	myTag.Update();<br />

// Start winword
MicrosoftWord :: _Application lApp;
if (!lApp.CreateDispatch(_T("Word.Application")))
{
    AfxMessageBox(_T("sorry old chap, winword's not playing ball"));
    return;
}

// Handy variants
COleVariant lTrue((short) TRUE);
COleVariant lFalse((short) FALSE);
COleVariant lMissing((long) DISP_E_PARAMNOTFOUND, VT_ERROR);

// Documents collection / manager
MicrosoftWord :: Documents lDocsMgr(lApp.GetDocuments());

// Create a new document
MicrosoftWord :: _Document lDoc;
lDoc.AttachDispatch(lDocsMgr.Add(lMissing, lFalse));

// Add an OLE AVI file
MicrosoftWord :: Selection lContent(lApp.GetSelection());

CString aFileName = _T("c:\\temp\\my.avi");
MicrosoftWord :: InlineShapes lShapeCollection(lContent.GetInlineShapes());
lShapeCollection.AddOLEObject(lMissing, COleVariant(aFileName), lTrue, lFalse, lMissing, lMissing, lMissing, lMissing);

// Save the document (c:\temp\abc.doc) & quit
lDoc.SaveAs(COleVariant(_T("c:\\temp\\abc.doc")), lMissing, lMissing, lMissing, lMissing, lMissing, lMissing, lMissing, lMissing, lMissing, lMissing);
lDoc.Close(lMissing, lMissing, lMissing);
lApp.Quit(lMissing, lMissing, lMissing);