仿QQ界面切换源码问题，高手帮忙！！

int CImageTabWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 

{

	if (CWnd::OnCreate(lpCreateStruct) == -1)

		return -1;

	

	// TODO: Add your specialized creation code here

	if (!m_ToolTip.Create(this))

		return -1;



	GetWindow(GW_HWNDPREV)->ShowWindow(SW_HIDE);  //  加在这里



	//ModifyStyleEx(0, WS_EX_CLIENTEDGE);

	return 0;

}