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POImageButton: image is not displayed when button disabled
 

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  1. POImageButton: image is not displayed when button disabled
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    <p>I have created an UserControl to implement a simple <code>ImageButton</code> as following:</p> <pre><code>&lt;UserControl x:Class="MyApp.Common.Controls.ImageButton" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Name="UC"&gt; &lt;Grid&gt; &lt;Button Command="{Binding ElementName=UC, Path=Command}" CommandParameter="{Binding ElementName=UC, Path=CommandParameter}"&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;Image Source="{Binding ElementName=UC, Path=Image}" Width="{Binding ElementName=UC, Path=ImageWidth}" Height="{Binding ElementName=UC, Path=ImageHeight}"/&gt; &lt;TextBlock Text="{Binding ElementName=UC, Path=Text}" /&gt; &lt;/StackPanel&gt; &lt;/Button&gt; &lt;/Grid&gt; </code></pre> <p></p> <p>Here is code-behind of my control:</p> <pre><code>using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Windows.Media; namespace MyApp.Common.Controls { public partial class ImageButton : UserControl { public ImageButton() { InitializeComponent(); } public ImageSource Image { get { return (ImageSource)GetValue(ImageProperty); } set { SetValue(ImageProperty, value); } } public static readonly DependencyProperty ImageProperty = DependencyProperty.Register("Image", typeof(ImageSource), typeof(ImageButton), new UIPropertyMetadata(null)); public double ImageWidth { get { return (double)GetValue(ImageWidthProperty); } set { SetValue(ImageWidthProperty, value); } } public static readonly DependencyProperty ImageWidthProperty = DependencyProperty.Register("ImageWidth", typeof(double), typeof(ImageButton), new UIPropertyMetadata(16d)); public double ImageHeight { get { return (double)GetValue(ImageHeightProperty); } set { SetValue(ImageHeightProperty, value); } } public static readonly DependencyProperty ImageHeightProperty = DependencyProperty.Register("ImageHeight", typeof(double), typeof(ImageButton), new UIPropertyMetadata(16d)); public string Text { get { return (string)GetValue(TextProperty); } set { SetValue(TextProperty, value); } } public static readonly DependencyProperty TextProperty = DependencyProperty.Register("Text", typeof(string), typeof(ImageButton), new UIPropertyMetadata("")); public ICommand Command { get { return (ICommand)GetValue(CommandProperty); } set { SetValue(CommandProperty, value); } } public static readonly DependencyProperty CommandProperty = DependencyProperty.Register("Command", typeof(ICommand), typeof(ImageButton)); public object CommandParameter { get { return GetValue(CommandParameterProperty); } set { SetValue(CommandParameterProperty, value); } } public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register("CommandParameter", typeof(object), typeof(ImageButton)); } } </code></pre> <p>The usage is simple:</p> <pre><code> &lt;cc:ImageButton Command="{Binding SearchCommand}" Image="/MyApp;component/Images/magnifier.png" ImageWidth="16" ImageHeight="16" /&gt; </code></pre> <p>When the button (bound to DelegateCommand in my ViewModel) get disabled the image is disappear. Otherwise all works as expected. What could be a problem? How to make the image show in gray-scale when disabled? </p> <p><strong>UPDATE</strong>: here is the image of this strange behavior<img src="https://i.stack.imgur.com/wMlk9.png" alt="screenshot">:</p>
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    1. USDave Clemmer
    1. USMichael D.
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    1. CODoes the Image and the TextBlock both disappear? Or just the Image?
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      1. USshanewwarren
    2. COBoth image and text disappear. See attached screenshot
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      1. USMichael D.
 

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