If the user does not have appropriate credentials, display a message box or some other user interface indicating that they do not have access, and return to the initial TAB.
如果使用者没有适当的认证，则会显示讯息方块或其他使用者介面，表示使用者没有存取权限，并返回最初的索引标签。
After you've defined your Tab order, you'll need to ensure each initial component will receive focus when its container is selected.
在定义了跳格顺序之后，您需要确保每个初始组件都在选中其容器时接收到焦点。
Setting the Tab order and initial focus
设置跳格顺序和初始焦点
Setting the Tab order and initial focus
设置跳格顺序和初始焦点
应用推荐