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POWPF MVVM how to create access key on run time
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  1. POWPF MVVM how to create access key on run time
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    copied!<p>I can able to create <strong>access key</strong> for <strong><em>button content</em></strong> during Design time but unable to create during run time</p> <p><img src="https://i.stack.imgur.com/ZLPD6.png" alt="enter image description here"></p> <p>btnContent -- "C&amp;ancel" -- it works perfect</p> <p>btnContent -- "E&amp;xit" --- not working, when i try to give acces key for letter 'x'</p> <p>i have also tried with (_)underscore and "Exit" ,but no luck. i jus need to underline 'x' in string "Exit".</p> <p>Below is the style for my button</p> <pre><code> &lt;Style x:Key="LTC_ButtomForm_A" TargetType="{x:Type Button}"&gt; &lt;Style.Resources&gt; &lt;converter:ConverterFirstPartTextButton x:Key="ConverterFirstPartTextButton" /&gt; &lt;converter:ConverterUnderlineTextButton x:Key="ConverterUnderlineTextButton" /&gt; &lt;converter:ConverterLastPartTextButton x:Key="ConverterLastPartTextButton" /&gt; &lt;/Style.Resources&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type Button}"&gt; &lt;Border x:Name="Fondo" Margin="0" Padding="10,0" Background="#FF253A94" BorderBrush="#00000000" BorderThickness="1" CornerRadius="5"&gt; Text="{TemplateBinding Content,Converter={StaticResource ConverterFirstPartTextButton}}" TextAlignment="Center" TextWrapping="Wrap" VerticalAlignment="Center"&gt; &lt;Run Text="{TemplateBinding Content, Converter={StaticResource ConverterUnderlineTextButton}}" TextDecorations="Underline" /&gt; &lt;Run Text="{TemplateBinding Content, Converter={StaticResource ConverterLastPartTextButton}}" /&gt; &lt;/TextBlock&gt; &lt;/Border&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; </code></pre> <p>where <strong>ConverterFirstPartTextButton</strong></p> <pre><code>Public Class ConverterFirstPartTextButton Implements IValueConverter #Region "IValueConverter Members" Public Function Convert(value As Object, targetType As Type, parameter As Object, culture As CultureInfo) As Object _ Implements IValueConverter.Convert Dim part As String = String.Empty If value IsNot Nothing Then part = value.ToString().Split("&amp;").FirstOrDefault() End If Return part End Function Public Function ConvertBack(value As Object, targetType As Type, parameter As Object, culture As CultureInfo) _ As Object Implements IValueConverter.ConvertBack Return value End Function #End Region End Class </code></pre> <p><strong>ConverterUnderlineTextButton</strong></p> <pre><code>Public Class ConverterUnderlineTextButton Implements IValueConverter #Region "IValueConverter Members" Public Function Convert(value As Object, targetType As Type, parameter As Object, culture As CultureInfo) As Object _ Implements IValueConverter.Convert Dim underlineLetter As String = String.Empty If value IsNot Nothing Then underlineLetter = value.ToString().Split("&amp;").LastOrDefault End If If underlineLetter = value Then Return String.Empty Else underlineLetter = underlineLetter.Substring(0, 1) Return underlineLetter End If End Function Public Function ConvertBack(value As Object, targetType As Type, parameter As Object, culture As CultureInfo) _ As Object Implements IValueConverter.ConvertBack Return value End Function #End Region End Class </code></pre> <p><strong>ConverterLastPartTextButton</strong></p> <pre><code>Public Class ConverterLastPartTextButton Implements IValueConverter #Region "IValueConverter Members" Public Function Convert(value As Object, targetType As Type, parameter As Object, culture As CultureInfo) As Object _ Implements IValueConverter.Convert Dim part As String = String.Empty If value IsNot Nothing Then part = value.ToString().Split("&amp;").LastOrDefault End If If part &lt;&gt; value And part.Length &gt; 1 Then part = part.Substring(1) Return part Else Return String.Empty End If End Function Public Function ConvertBack(value As Object, targetType As Type, parameter As Object, culture As CultureInfo) _ As Object Implements IValueConverter.ConvertBack Return value End Function #End Region End Class </code></pre> <p>these converts main use is to underline the given text and its working Perfect during initialization. But when i change the content during run time it shows as above image(fig 2). </p>
 

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