C / C++ / MFC

<br />
void CCoMenHandler::GetSelectedFiles(LPCITEMIDLIST pidlFolder,IDataObject *pdtobj)<br />
{<br />
// get these paths into a CStringArray<br />
g_szSelectedFiles.RemoveAll();<br />
<br />
// fetch all of the file names we're supposed to operate on<br />
if (pdtobj) <br />
{<br />
pdtobj-&gt;AddRef();<br />
<br />
STGMEDIUM medium;<br />
FORMATETC fe = { CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};<br />
<br />
<br />
HRESULT hr = pdtobj-&gt;GetData (&amp;fe, &amp;medium);<br />
if (FAILED (hr))<br />
{<br />
return ;<br />
}<br />
<br />
// buffer to receive filenames<br />
char path[MAX_PATH];<br />
<br />
// how many are there?<br />
UINT fileCount = DragQueryFile((HDROP)medium.hGlobal, 0xFFFFFFFF,<br />
path, MAX_PATH);<br />
<br />
if (fileCount&gt;0)<br />
{<br />
// avoid wasting mem when this thing gets filled in<br />
g_szSelectedFiles.SetSize(fileCount);<br />
<br />
// stash the paths in our CStringArray<br />
for (UINT i=0;i&lt;fileCount;i++) <br />
{<br />
// clear old path<br />
memset(path, 0, MAX_PATH);<br />
// fetch new path<br />
if (DragQueryFile((HDROP)medium.hGlobal, i, path, MAX_PATH)) <br />
{<br />
g_szSelectedFiles.SetAt(i, path);<br />
//AfxMessageBox(path);<br />
}<br />
}<br />
<br />
g_szSelectedFiles.FreeExtra();<br />
}<br />
<br />
// free our path memory - we have the info in our CStringArray<br />
ReleaseStgMedium(&amp;medium);<br />
}<br />
<br />
<br />
}<br />

__interface IFoo {

public:

	virtual int foo ([unique] char  *ptr1, [unique] char  *ptr2) = 0;
};

class Foo : public IFoo {

public:

	int foo (char  *ptr1, char  *ptr2)
	{
		char array1[] = "Hello";

		ptr1 = array1;
		ptr2 = array1; // should be wrong, no aliasing allowed, but compile and run ok
		
		return 0;
	}
};


int main()
{
	char* ptr1 = 0;
	char* ptr2 = 0;

	Foo f;
	f.foo(ptr1, ptr2);

	return 0;
}