onTabFocus

fires after a tab focus has been changed

function onTabFocus(
    // the view object of a component that is in focus
    current_view: WebixView,
    // the view that used to be in focus
    prev_view: WebixView
): void

Example

datagrid1.attachEvent("onTabFocus", function(current_view, prev_view){
    // current_view is the datagrid in question
});