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POTriggering a command from a textbox when enter is pressed?
 

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  1. POTriggering a command from a textbox when enter is pressed?
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    <p>Let me start by saying that I am new to <code>MVVM</code>, so please bare with be, if the question is unclear let me know and I will try to clarify.</p> <p>I have correctly implemented a <code>button</code> in <code>XAML</code> with <code>multibinding</code>, the code is as follows:</p> <pre><code>&lt;Button x:Name="licenceFilterSet" Content="Search License" Command="{Binding licenseSearchCommand}" Click="licenceFilterButtonClick" HorizontalAlignment="Right" Width="94"&gt; &lt;Button.Resources&gt; &lt;local:SearchFilterConverter x:Key="SearchFilterConverter" /&gt; &lt;/Button.Resources&gt; &lt;Button.CommandParameter&gt; &lt;MultiBinding Converter="{StaticResource SearchFilterConverter}"&gt; &lt;Binding Path="Text" ElementName="filterLicenseTextBox" /&gt; &lt;Binding Path="IsChecked" ElementName="regularExpressionCheckBox" /&gt; &lt;/MultiBinding&gt; &lt;/Button.CommandParameter&gt; &lt;/Button&gt; </code></pre> <p>(the value of a textbox and a checkbox is sent to be proceed).</p> <p>Now I would like to add the exact same feature to the textBox, where the user can directly press <code>ENTER</code> in the <code>textBox</code> and perform the same operation.</p> <p>I tried the following code, but it seems that each character is now sent to the command, but I only want the command to be sent when the user presses <code>ENTER</code>. What should I change?</p> <pre><code>&lt;TextBox Name="filterLicenseTextBox"&gt; &lt;TextBox.Resources&gt; &lt;local:SearchFilterConverter x:Key="SearchFilterConverter" /&gt; &lt;/TextBox.Resources&gt; &lt;TextBox.Text&gt; &lt;MultiBinding Converter="{StaticResource SearchFilterConverter}"&gt; &lt;Binding Path="Text" ElementName="filterLicenseTextBox" Mode="OneWay"/&gt; &lt;Binding Path="IsChecked" ElementName="regularExpressionCheckBox" Mode="OneWay"/&gt; &lt;/MultiBinding&gt; &lt;/TextBox.Text&gt; &lt;TextBox.InputBindings&gt; &lt;KeyBinding Key="Enter" Command="{Binding licenseSearchCommand}"&gt; &lt;/KeyBinding&gt; &lt;/TextBox.InputBindings&gt; &lt;/TextBox&gt; </code></pre>
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    1. COI don't understand what the `MultiBinding` in your `TextBox.Text` is supposed to accomplish... in your `Button`, you had that same code in the `CommandParameter` property instead. Also, please show your `Converter` code.
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