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Syncfusion Feedback
Platform : WPF
Category : TabControl

How do I validate the current tab before selection changes to another tab on user click?

Unfortunately, WPF doesn’t provide a straight forward way of validating a tab page’s content before switching to a new tab, in the first version. One workaround is to listen to the TabItem’s PreviewLostKeyboardFocus event and mark it as Handled as shown below.

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