# onshow

Description:

The `onshow` property is an event handler for the event of when a widget is switching from the background to the foreground. In other words, when an opened widget gains focus, the assigned callback function will be called.

This property is useful for managing the functionality of the widget in relation to other applications on the device.

Syntax:

    [void] window.widget.onshow = function() { }

or

    [void] window.widget.onshow = toForeground;

    function  toForeground()
    {
     // ...
    }