C / C++ / MFC

ewighell wrote:

BaseClass pBaseClass = new BaseClass();

BaseClass pBaseClass = new DerivedClass();

BaseClass* pBaseClass = new DerivedClass();<br />
<br />
((DerivedClass*)pBaseClass)->functionInDerivedClassOnly();

Owner drawn wrote:

He reinterpreted it

toxcct wrote:

hey, you posted the same thing as i did 1 hour later

toxcct wrote:

where were you ?

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Stephen Hewitt wrote:

In the example above you should use static_cast<derivedclass*>(pBaseClass)

hwndThis = CreateWindowEx<br />
(<br />
	NULL,<br />
	sClassName, //Was previously registered via RegisterClassEx. Very standard.<br />
	sClassName,<br />
	WS_POPUP | WS_VISIBLE,<br />
	0,<br />
	0,<br />
	W, //Assume 100x100 window.<br />
	H,<br />
	NULL,<br />
	NULL,<br />
	hHost, //Some valid handle to another window (the one which called this code).<br />
	NULL<br />
);

<br />
hwndControl = CreateWindowEx //Creating the window.<br />
(<br />
	NULL,    //ExStyles.<br />
	"Static",    //Class name.<br />
	Text,    //Text of the label.<br />
	lStyle,    //Styles. =  WS_CHILD | WS_VISIBLE<br />
	0,    //X.<br />
	0,    //Y.<br />
	0,    //Width.<br />
	0,    //Height.<br />
	hwndThis,    //Parent, the one created before...<br />
	NULL,    //Menu.<br />
	(HINSTANCE)hwndThis,    //Parent, the one created before.<br />
	NULL    //CreateStruct.<br />
);