[rt.cpan.org #43574] Could't use default event source if it begins with underscore character

Sat May 05 06:10:07 2012: Request 43574 was acted upon.
Transaction: Correspondence added by patcat88
       Queue: Win32-OLE
     Subject: Could't use default event source if it begins with underscore character
   Broken in: 0.1709
    Severity: Important
       Owner: Nobody
  Requestors: [email protected]
      Status: new
 Ticket <URL: https://rt.cpan.org/Ticket/Display.html?id=43574 >


On Tue Feb 24 07:17:28 2009, Erny wrote:
> If default event source name begins with underscore character (as 
> autocreated by Visual Studio) than events not arrive.
> 
> Patch for this bug:
> 
> 4405,4406c4409,4415
> < 	    if (isalpha(pszItf[0]))
> < 		hr = FindIID(aTHX_ pObj, pszItf, &iid, &pTypeInfo, cp, 
> lcid);
> ---
> > 	    //PE:
> > 	    if (pszItf[0]=='{')	{
> > 			OLECHAR Buffer[OLE_BUF_SIZ];
> > 			OLECHAR *pBuffer = GetWideChar(aTHX_ itf, 
> Buffer, OLE_BUF_SIZ, cp);
> > 			hr = IIDFromString(pBuffer, &iid);
> > 			ReleaseBuffer(aTHX_ pBuffer, Buffer);
> > 		}
> 4408,4411c4417
> < 		OLECHAR Buffer[OLE_BUF_SIZ];
> < 		OLECHAR *pBuffer = GetWideChar(aTHX_ itf, Buffer, 
> OLE_BUF_SIZ, cp);
> < 		hr = IIDFromString(pBuffer, &iid);
> < 		ReleaseBuffer(aTHX_ pBuffer, Buffer);
> ---
> > 			hr = FindIID(aTHX_ pObj, pszItf, &iid, 
> &pTypeInfo, cp, lcid);

Yep, this is a bug. I encountered it just now. You can't use WithEvents
on interface that beings with '_'. 3 years for a bug with a patch is too
long.