} else if (mClassID.Equals(kCTabWidget)) { inst = (nsISupports*)(nsWindow *)new nsTabWidget(); } else if (mClassID.Equals(kCTooltipWidget)) { inst = (nsISupports*)(nsWindow *)new nsTooltipWidget();
nsresult nsWidgetFactory::CreateInstance(nsISupports *aOuter,                                            const nsIID &aIID,                                            void **aResult)  {      if (aResult == NULL) {          return NS_ERROR_NULL_POINTER;      }      *aResult = NULL;      if (nsnull != aOuter)      return NS_ERROR_NO_AGGREGATION;      nsISupports *inst = nsnull;    if (mClassID.Equals(kCWindow)) {      inst = (nsISupports *)new nsWindow();    }    else if (mClassID.Equals(kCChild)) {      inst = (nsISupports *)new ChildWindow();    }    else if (mClassID.Equals(kCButton)) {      inst = (nsISupports*)(nsWindow *)new nsButton();    }    else if (mClassID.Equals(kCCheckButton)) {        inst = (nsISupports*)(nsWindow *)new nsCheckButton();    }    else if (mClassID.Equals(kCCombobox)) {        inst = (nsISupports*)(nsWindow *)new nsComboBox();    }    else if (mClassID.Equals(kCRadioButton)) {        inst = (nsISupports*)(nsWindow *)new nsRadioButton();    }    else if (mClassID.Equals(kCFileOpen)) {        inst = (nsISupports*)new nsFileWidget();    }    else if (mClassID.Equals(kCListbox)) {        inst = (nsISupports*)(nsWindow *)new nsListBox();    }    else if (mClassID.Equals(kCHorzScrollbar)) {        inst = (nsISupports*)(nsWindow *)new nsScrollbar(PR_FALSE);    }    else if (mClassID.Equals(kCVertScrollbar)) {        inst = (nsISupports*)(nsWindow *)new nsScrollbar(PR_TRUE);    }    else if (mClassID.Equals(kCTextArea)) {        inst = (nsISupports*)(nsWindow *)new nsTextAreaWidget();    }    else if (mClassID.Equals(kCTextField)) {        inst = (nsISupports*)(nsWindow *)new nsTextWidget();    }    else if (mClassID.Equals(kCTabWidget)) {        inst = (nsISupports*)(nsWindow *)new nsTabWidget();    }    else if (mClassID.Equals(kCTooltipWidget)) {		inst = (nsISupports*)(nsWindow *)new nsTooltipWidget();    }    else if (mClassID.Equals(kCAppShell)) {        inst = (nsISupports*)new nsAppShell();    }    else if (mClassID.Equals(kCToolkit)) {        inst = (nsISupports*)new nsToolkit();    }    else if (mClassID.Equals(kCLookAndFeel)) {        inst = (nsISupports*)new nsLookAndFeel();    }    else if (mClassID.Equals(kCLabel)) {        inst = (nsISupports*)(nsWindow *)new nsLabel();    }#ifdef LOSER    else if (mClassID.Equals(kCMenuBar)) {        inst = (nsISupports*)(nsIMenuBar *)new nsMenuBar();    }    else if (mClassID.Equals(kCMenu)) {        inst = (nsISupports*)(nsIMenu *)new nsMenu();    }    else if (mClassID.Equals(kCMenuItem)) {        inst = (nsISupports*)(nsIMenuItem *)new nsMenuItem();    }    else if (mClassID.Equals(kCPopUpMenu)) {        inst = (nsISupports*)new nsPopUpMenu();    }#endif    else if (mClassID.Equals(kCSound)) {    	nsISound* aSound = nsnull;    	NS_NewSound(&aSound);        inst = (nsISupports*) aSound;    }    else if (mClassID.Equals(kCTransferable)) {        inst = (nsISupports*)new nsTransferable();    }    else if (mClassID.Equals(kCClipboard)) {        inst = (nsISupports*)new nsClipboard();    }    else if (mClassID.Equals(kCXIFFormatConverter)) {        inst = (nsISupports*)new nsXIFFormatConverter();    }    else if (mClassID.Equals(kCFontRetrieverService)) {        inst = (nsISupports*)(nsIFontRetrieverService *) new nsFontRetrieverService();    }    else if (mClassID.Equals(kCDragService)) {        inst = (nsISupports*) (nsIDragService *) new nsDragService();    }    else {        printf("nsWidgetFactory::CreateInstance(), unhandled class.\n");    }      if (inst == NULL) {          return NS_ERROR_OUT_OF_MEMORY;      }      nsresult res = inst->QueryInterface(aIID, aResult);    if (res != NS_OK) {          // We didn't get the right interface, so clean up          delete inst;      }    return res;}  