Code:case WM_CREATE: HWND ToolBar; ToolBar = CreateWindowEx(0, TOOLBARCLASSNAME, NULL, WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hwnd, (HMENU)ID_TOOLBAR, GetModuleHandle(NULL), NULL); // Send the TB_BUTTONSTRUCTSIZE message, which is required for // backward compatibility. SendMessage(ToolBar, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0); TBADDBITMAP BmpMenusIcons; BmpMenusIcons.hInst=HINST_COMMCTRL; BmpMenusIcons.nID=IDB_STD_SMALL_COLOR; TBBUTTON buttons; buttons.iBitmap=STD_FILENEW; buttons.fsState=TBSTATE_ENABLED; buttons.fsStyle=TBSTYLE_BUTTON; buttons.idCommand=ID_OPEN;