A component's input verifier is called when the component nearly loses the keyboard focus.
A component's input verifier is called when the component nearly loses the keyboard focus.
在组件即将失去键盘焦点时调用组件的输入验证器。
A component's input verifier is called when the component nearly loses the keyboard focus.
在组件即将失去键盘焦点时调用组件的输入验证器。