Listwidget 无法显示

static boolean CreateMainForm(BUIWTask *pMe)
{
	int result = 0;
	IWidget                *containerWdg = NULL;
	WidgetPos              wp;
	WExtent                tsWE;
	IWidget                *titleWidget;
	IWidget                *softWidget;
/*	IWidget                *staticWdg;
	IWidget                *iWdg;
	IWidget                *sWdg;
*/	
	result = ISHELL_CreateInstance(pMe->m_pShell, AEECLSID_FORM, (void **)&(pMe->m_pMainForm));
	result += ISHELL_CreateInstance(pMe->m_pShell, AEECLSID_XYCONTAINER, (void **)&pMe->m_pXYContainer);
	result += ISHELL_CreateInstance(pMe->m_pShell, AEECLSID_STATICWIDGET, (void **)&containerWdg);
	result += ISHELL_CreateInstance(pMe->m_pShell,AEECLSID_LISTWIDGET,(void**)&pMe->m_pListWidget);
	
	if(result != 0)
	{
		return EFAILED;
	}


	IFORM_GetTitleWidget((IForm*)pMe->m_pRootForm, &titleWidget);
	IWIDGET_GetPreferredExtent(titleWidget,&tsWE);
	tsWE.height = 30;
	tsWE.width = pMe->DeviceInfo.cxScreen;
	IWIDGET_SetExtent(titleWidget,&tsWE);
	IWIDGET_SetFlags(titleWidget,IDF_ALIGN_MIDDLE|IDF_ALIGN_CENTER);
	IWIDGET_SetBGColor(titleWidget,MAKE_RGB(15,118,209));
	IFORM_SetText(pMe->m_pMainForm,FID_TITLE,L"伊索寓言");

	IFORM_SetText(pMe->m_pMainForm, FID_SOFTKEY1, L"选项");
	IFORM_SetText(pMe->m_pMainForm, FID_SOFTKEY2, L"返回");
	/*IFORM_SetResText(pMe->m_pMainForm,FID_TITLE,BUIWTASK_RES_FILE,IDS_TITLE);
	IFORM_SetSoftkeys(pMe->m_pMainForm,BUIWTASK_RES_FILE,IDS_SOFTKEY1,IDS_SOFTKEY2);*/
	IFORM_GetSoftkeyWidget((IForm*)pMe->m_pRootForm,&softWidget);
	IWIDGET_SetBGColor(softWidget,MAKE_RGB(15,118,209));
	IWIDGET_SetExtent(softWidget,&tsWE);

	HANDLERDESC_Init(&pMe->m_nHandlerDesc,mainFormHandleEvent,pMe,mainformFree);
	IFORM_SetHandler(pMe->m_pMainForm,&pMe->m_nHandlerDesc);

	IWIDGET_SetItemWidth(pMe->m_pListWidget, pMe->DeviceInfo.cxScreen - 16);
	IWIDGET_SetItemHeight(pMe->m_pListWidget,30);
	IWIDGET_SetTopIndex(pMe->m_pListWidget, 1);
	IWIDGET_SetFocusIndex(pMe->m_pListWidget, 1);
	IWIDGET_SetHintRows(pMe->m_pListWidget, 5);
	IWIDGET_SetBGColor(pMe->m_pListWidget,MAKE_RGB(255, 0, 0));

	ISHELL_CreateInstance(pMe->m_pShell,AEECLSID_SCROLLBARWIDGET,(void**)&pMe->m_pScrollWidget);
	IWIDGET_SetProperty(pMe->m_pScrollWidget,PROP_SCROLLPAD,0);
	IWIDGET_SetProperty(pMe->m_pScrollWidget,PROP_SCROLLHANDLEWIDTH,10);
	IWIDGET_SetProperty(pMe->m_pScrollWidget,PROP_FLAGS, SBWF_ARROWS);
	IWIDGET_SetProperty(pMe->m_pScrollWidget, PROP_SCROLLBARENDPAD, 7);
    IWIDGET_SetProperty(pMe->m_pScrollWidget, PROP_ACTIVE_SCROLLCOLOR, MAKE_RGB(100, 200, 0));
    IWIDGET_SetProperty(pMe->m_pScrollWidget, PROP_ACTIVE_SCROLLHANDLECOLOR, MAKE_RGB(256, 90, 90));