NavBar.onbeforeclose event

[NavBar is no longer available for use as of Windows Library for JavaScript (WinJS) 4.2. Instead, use SplitViewCommand. ]
Occurs before the NavBar is closed.
Learn about events with Quickstart: adding HTML controls and handling events.
Syntax
<div data-win-control="WinJS.UI.NavBar" data-win-options="{onbeforeclose : handler}" />
function handler(eventInfo) { /* Your code */ } // addEventListener syntax navBar.addEventListener("beforeclose", handler); navBar.removeEventListener("beforeclose", handler);
Event information
| Synchronous | No |
|---|---|
| Bubbles | Yes |
| Cancelable | Yes |
Event handler parameters
- eventInfo
-
Type: Event
An object that contains information about the event.
Remarks
This replaces the onbeforehide event, which has been removed.
Requirements
|
Minimum WinJS version |
WinJS 4.0 |
|---|---|
|
Namespace |
WinJS.UI |
See also
- NavBar
- NavBarCommand
- NavBarContainer
- BackButton
- AppBar
- Your first app - Part 3: PageControl objects and navigation
- Navigating between pages (HTML)
- Adding app bars
- Adding nav bars
- HTML AppBar control sample
- HTML NavBar control sample
- Navigation and navigation history sample
- Designers
- Command patterns
- Navigation patterns
- Guidelines for app bars
- Bottom app bar
- Top app bar
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