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POHow to Access a Button present inside a Custom Control, from the implementing page?
 

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  1. POHow to Access a Button present inside a Custom Control, from the implementing page?
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    <p>I have my generic.xaml containing the following code:</p> <pre><code>&lt;ControlTemplate TargetType="local:customVideoControl"&gt; &lt;Grid&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="600"/&gt; &lt;RowDefinition Height="200"/&gt; &lt;/Grid.RowDefinitions&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="200"/&gt; &lt;ColumnDefinition Width="200"/&gt; &lt;ColumnDefinition Width="200"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;MediaElement x:Name="customMediaPlayer" Source="{TemplateBinding CustomMediaSource}" HorizontalAlignment="Center" VerticalAlignment="Center" Height="{TemplateBinding Height}" Width="{TemplateBinding Width}" Grid.Row="0" Grid.ColumnSpan="3" /&gt; &lt;ToggleButton x:Name="playPauseBtn" Height="50" Width="50" Content="Pause" Grid.Row="1" Grid.Column="0"/&gt; &lt;Button x:Name="prevBtn" Height="50" Width="50" Content="Prev" Grid.Row="1" Grid.Column="1"/&gt; &lt;Button x:Name="nextBtn" Height="50" Width="50" Content="Next" Grid.Row="1" Grid.Column="2"/&gt; &lt;/Grid&gt; &lt;/ControlTemplate&gt; </code></pre> <p>Now on applyTemplate , I am accessing the controls like below:</p> <pre><code> public override void OnApplyTemplate() { base.OnApplyTemplate(); ToggleButton playPauseBtn = GetTemplateChild("playPauseBtn") as ToggleButton; Button prevBtn= GetTemplateChild("prevBtn") as Button; Button nextBtn = GetTemplateChild("nextBtn") as Button; MediaElement customMediaPlayer = GetTemplateChild("customMediaPlayer") as MediaElement; playPauseBtn.Checked += (obj, Args) =&gt; { customMediaPlayer.Pause(); playPauseBtn.Content = "Play"; }; playPauseBtn.Unchecked += (obj, Args) =&gt; { customMediaPlayer.Play(); playPauseBtn.Content = "Pause"; }; nextBtn.Click += (obj, Args) =&gt; { customMediaPlayer.Source=new Uri(CustomMediaSource.ToString(),UriKind.RelativeOrAbsolute); }; prevBtn.Click += (obj, Args) =&gt; { customMediaPlayer.Source = new Uri(CustomMediaSource.ToString(), UriKind.RelativeOrAbsolute); }; } </code></pre> <p>Now I want acccess the nextBtn, in the page where I am implementing like </p> <pre><code>CustomVideoControl myVControl=new CustomVideoControl(); </code></pre> <p>This will create the instance of the control, but I want to do something on the click of next and previous button, thta is present inside the CustomVideoControl in generic.xaml. Any help will be greatly appreciated.</p> <p>Thanks, Subhen</p>
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    1. COWhat is it you want to do and why is whatever that is not a function of the control, there doesn't seem to be a point in create a control if you don't hand over responsiblity to the control.
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    2. COI want to change the Uri , when I click on the button, but the uri will be accessible in the main application. Is there a way I can declare a dependent Eventhandler or something , so that it can be invoked while clicking that button on the main page.
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