You can still use control validation to lock focus to a control, but you do not need to be concerned with the behavior with regard to closing the form.
您仍可以使用控件验证将焦点锁定到控件，但不必考虑关闭窗体的行为。
In many ways, Gwittir is similar to MyGWT and GWT-Ext in that it is a GWT UI library, and provides functionality such as components, flow control, validation, and even animation.
在很多方面，Gwittir与MyGWT、GWT - Ext很相像，他们都是GWT的用户界面库，提供像组件、流程控制、验证、甚至是动画方面的功能。
In many ways, Gwittir is similar to MyGWT and GWT-Ext in that it is a GWT UI library, and provides functionality such as components, flow control, validation, and even animation.
在很多方面，Gwittir与MyGWT、GWT - Ext很相像，他们都是GWT的用户界面库，提供像组件、流程控制、验证、甚至是动画方面的功能。
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