A damn at han's Windows Phone Book notes (11: popup)

Popup

This control is often used as the UI hack, which is a non-conventional force. Let's take a look at Popup.

Popup itself is invisible, but it can contain a child element.

The default position of popup is in the upper left corner of the parent element. You can use margin, horizontaloffset, and verticaloffset to arrange the position.

Popup will cover the elements of Z-order in its upper layer.

For example:

 

Popup is visible only when the isopen attribute is set to true.

 

The root element is not affected by oriented.

If popup is not attached to any element (it is implicitly attached to the root frame), it will keep the position of portrait.