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POHow to get multiple controls to fire same event/command in Silverlight / XAML?
 

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  1. POHow to get multiple controls to fire same event/command in Silverlight / XAML?
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    <p>I am using Mvvm-Light Commands to route events from my Views to my ViewModels. Works great.</p> <p>But I think I can be more elegant. This is actually probably just a standard XAML question:</p> <p>I want to change this (10 buttons all with <code>Click="keypadButton_Click"</code> for their event handler):</p> <pre><code>&lt;Button Name="button1" Content="1" Grid.Row="0" Grid.Column="0" Click="keypadButton_Click" /&gt; &lt;Button Name="button2" Content="2" Grid.Row="0" Grid.Column="1" Click="keypadButton_Click"/&gt; &lt;Button Name="button3" Content="3" Grid.Row="0" Grid.Column="2" Click="keypadButton_Click"/&gt; &lt;Button Name="button4" Content="4" Grid.Row="1" Grid.Column="0" Click="keypadButton_Click"/&gt; &lt;Button Name="button5" Content="5" Grid.Row="1" Grid.Column="1" Click="keypadButton_Click"/&gt; &lt;Button Name="button6" Content="6" Grid.Row="1" Grid.Column="2" Click="keypadButton_Click"/&gt; &lt;Button Name="button7" Content="7" Grid.Row="2" Grid.Column="0" Click="keypadButton_Click"/&gt; &lt;Button Name="button8" Content="8" Grid.Row="2" Grid.Column="1" Click="keypadButton_Click"/&gt; &lt;Button Name="button9" Content="9" Grid.Row="2" Grid.Column="2" Click="keypadButton_Click"/&gt; &lt;Button Name="button0" Content="0" Grid.Row="3" Grid.Column="1" Click="keypadButton_Click"/&gt; </code></pre> <p>To 10 of these:</p> <pre><code>&lt;Button x:Name="button1" Content="1" Grid.Row="0" Grid.Column="0"&gt; &lt;i:Interaction.Triggers&gt; &lt;i:EventTrigger EventName="Click"&gt; &lt;Command:EventToCommand Command="{Binding KeyPadButtonCommand}" CommandParameter="{Binding ElementName=button1, Path=Content }"/&gt; &lt;/i:EventTrigger&gt; &lt;/i:Interaction.Triggers&gt; &lt;/Button&gt; </code></pre> <p>But I don't want that much XAML. I would think there would be a way to "macroize" the Trigger so it would look something like this:</p> <pre><code>&lt;Button Name="button1" Content="1" Grid.Row="0" Grid.Column="0" Click="{Binding _SendTheEventHere_}" /&gt; </code></pre> <p>Where <code>"{Binding _SendTheEventHere_}"</code> should be replaced with some magic incantation that I am clueless about, but I know some wizard here on stackoverflow knows :-).</p> <p>Make sense?</p>
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      1. POHow to get multiple controls to fire same event/command in Silverlight / XAML?
      1. USMatt Lacey
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    1. COI don't understand WNY you want to do this. What does you binding a click event handler give you that you can't do with this hard coded. I could see that using a command could help with your separation between xaml and code behind but not what binding the eventhandler helps you do.
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      1. POHow to get multiple controls to fire same event/command in Silverlight / XAML?
      1. USMatt Lacey
 

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