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POHow to fire Unload event of Usercontrol in a WPF window
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  1. POHow to fire Unload event of Usercontrol in a WPF window
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    copied!<p>I have an UserControl in WPF:</p> <pre><code>&lt;UserControl x:Class="XLogin.DBLogin" x:Name="DBLoginUserFrame" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" Height="263" Width="353" Loaded="DBLoginUserFrame_Loaded" Unloaded="DBLoginUserFrame_Unloaded"&gt; &lt;Grid&gt; &lt;GroupBox Header="Database Connection" HorizontalAlignment="Left" Height="243" Margin="10,10,0,0" VerticalAlignment="Top" Width="333"&gt; &lt;Grid&gt; &lt;TextBox x:Name="TextUserDB" HorizontalAlignment="Left" Height="20" Margin="101,60,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="173" /&gt; &lt;Label Content="Password:" HorizontalAlignment="Left" Height="24" VerticalAlignment="Top" Width="70" HorizontalContentAlignment="Right" Margin="10,85,0,0" /&gt; &lt;PasswordBox x:Name="TextPasswordDB" HorizontalAlignment="Left" Height="20" Margin="101,89,0,0" VerticalAlignment="Top" Width="173" /&gt; &lt;Button x:Name="BtnConnect" Content="Connetti" Height="29" Width="123" Margin="101,152,97,24" Click="BtnConnect_Click" /&gt; &lt;/Grid&gt; &lt;/GroupBox&gt; &lt;/Grid&gt; &lt;/UserControl&gt; </code></pre> <p>When i Unload this Control, WPF raise event <strong>DBLoginUserFrame_Unloaded</strong> that save my settings and it does a job.</p> <p>I have the MainWindow in WPF that load this user control but when window is closed, my usercontrol UNLOAD doesn't fire:</p> <pre><code>&lt;Window x:Class="XLogin.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525" xmlns:local="clr-namespace:XLogin" Unloaded="Window_Unloaded_1"&gt; &lt;Grid&gt; &lt;local:DBLogin/&gt; &lt;/Grid&gt;&lt;/Window&gt; </code></pre> <p><strong>How to add the UserControl Unload event to MainWindow event handler?</strong></p>
 

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