RE: [Dev-C++] Why doesn't this compile?

[Ioannis V. <no...@ho...>]

> -----Original Message-----
> From: dev...@li...=20
> [mailto:dev...@li...] On Behalf=20
> Of Andrew Vidler
> Sent: Tuesday, October 08, 2002 10:53 PM
> To: C++ Dev
> Subject: [Dev-C++] Why doesn't this compile?
>=20
>=20
> And more importantly, how can I make it compile?!
>=20
>=20
>=20
> #define MY_TYPE IDirect3DBaseTexture8
>=20
> class CBase
> {
> 	public:
> 		CBase() {}


Not needed.


> 		virtual ~CBase() {}


Or better: virtual ~CBase();



>=20
> 		virtual operator MY_TYPE * () =3D 0;


Where is IDirect3DBaseTexture8 defined?



> };
>=20
> class CDerived : public CBase
> {
> 	public:
> 		CDerived() {}
> 		~CDerived() {}


You can ommit the above two.


>=20
> 		operator MY_TYPE * () { return NULL; }

Better: return 0;


IDirect3DBaseTexture8 not defined anywhere.



> };
>=20
> void	test()
> {
> 	CBase	*c =3D new CDerived();
> 	MY_TYPE *f =3D c;
> }
>=20
>=20
>=20
>=20
> The #define is there purely so I could see if the code compiled with
> different types - it doesn't.


Ioannis

* Ioannis Vranos
* Programming pages: http://www.noicys.freeurl.com
* Alternative URL: http://run.to/noicys