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POScrollViewer reaching bottom WindowsPhone8
 

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    <p>Im trying to open a App-Bar when the user reaches the end of the (ScrollViewer)Page... Therefore I need a indicator when the end is reached...</p> <ul> <li>My Scrollviewer (maybe because WP8) has <strong>no "ViewChanged"-event</strong> like posted in other questions</li> <li>And this solution is just overkill for my Problem I think: <a href="http://blogs.msdn.com/b/slmperf/archive/2011/06/30/windows-phone-mango-change-listbox-how-to-detect-compression-end-of-scroll-states.aspx" rel="nofollow">http://blogs.msdn.com/b/slmperf/archive/2011/06/30/windows-phone-mango-change-listbox-how-to-detect-compression-end-of-scroll-states.aspx</a></li> </ul> <p>I cant find any event within this Viewer which could help me...</p> <pre><code> &lt;ScrollViewer x:Name="SV_ScrollViewer" Grid.Row="1" Margin="12,0,12,0" ManipulationMode="Control" AllowDrop="False"&gt; &lt;Grid x:Name="ContentPanel"&gt; &lt;StackPanel&gt; &lt;Controls:Map Height="730" x:Name="M_MainMap" ZoomLevel="10" Loaded="Map_Loaded"/&gt; &lt;phone:LongListSelector x:Name="LLS_FuelStations" Height="700"&gt; &lt;/phone:LongListSelector&gt; &lt;/StackPanel&gt; &lt;/Grid&gt; &lt;/ScrollViewer&gt; </code></pre> <p>Thank you for your help!</p> <p>2-EDIT: The LayoutUpdated-Event was not good for closing app-bar again... I ended up with a Dispatcher-Timer for closing AND opening it. Now it works fine (smooth):</p> <pre><code> // Constructor public MainPage() { InitializeComponent(); Dispatcher.BeginInvoke(() =&gt; { //initialize timer if (timer == null) { int timerSpan = 500; timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(timerSpan) }; timer.Tick += (o, arg) =&gt; OffsetWatcher(); } }); } </code></pre> <p>Closing and opening app-bar:</p> <pre><code>private void OffsetWatcher() { if (SV_ScrollViewer.ScrollableHeight - SV_ScrollViewer.VerticalOffset &gt; 100 ) { if (ApplicationBar.IsVisible) { ApplicationBar.IsVisible = false; ApplicationBar.IsMenuEnabled = false; } } else { if (!ApplicationBar.IsVisible) { BuildLocalizedApplicationBar(); } } } </code></pre>
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    1. COMaybe writing your own code will help as no such event exist
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    2. CODuplicate of http://stackoverflow.com/questions/10774462/reaching-bottom-of-scrollviewer-maximum-verticaloffset-value-is-lower-than-scr
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    3. COthis question is asking for the event not the way to check offset AND I wrote in the question that the duplicate is "Overkill" for this..
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