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POAdding IValueConverter breaks updates when changed occur from observable collection to UI
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  1. POAdding IValueConverter breaks updates when changed occur from observable collection to UI
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    copied!<p>I have a itemscontrol with the item template set to a border, then i bind the datacontext of the listview to a list of objects that contain a bool property.</p> <p>Then i added a click event handler to the border, and when detecting a click, i cast the datacontext of the border to the class and set the bool field to true.</p> <p>That works as a charm, but i want the rectangle to have a specific colour when the bool field is set to true or false, so i created a IValueConverter that takes my class and returns a colour. That works too, the rectangles are different colors based on the bool field.</p> <p>I am still able to click the rectangles, but they just arent updated. The color of the rectangle wont change.</p> <p>Datatemplate from the itemscontrol itemtemplate</p> <pre><code> &lt;DataTemplate&gt; &lt;Border ToolTip="{Binding Seat.Column}" Width="25" Height="25" Margin="0,0,2,2" BorderBrush="Black" Background="{Binding Converter={StaticResource ResourceKey=SeatStateConverter}}" BorderThickness="2" Name="rectangle1" VerticalAlignment="Center" HorizontalAlignment="Center" MouseLeftButtonDown="rectangle1_MouseLeftButtonDown"&gt; &lt;Label Content="{Binding Occupied}" Foreground="White" FontSize="7"&gt;&lt;/Label&gt; &lt;/Border&gt; &lt;/DataTemplate&gt; </code></pre> <p>The click event</p> <pre><code> private void rectangle1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { Border item = sender as Border; SeatState state = item.DataContext as SeatState; state.Locked = !state.Locked; } </code></pre> <p>my converter</p> <pre><code> public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { SeatState state = value as SeatState; if (state == null) return null; SolidColorBrush brush = new SolidColorBrush(); if (state.Occupied) { brush.Color = Color.FromRgb(172, 0,0); } else if (state.Locked) { brush.Color = Color.FromRgb(214, 65, 0); } else if(!state.Occupied) { brush.Color = Color.FromRgb(0, 172, 0); } return brush; } </code></pre> <p>This works great.. untill i add the converter that converts the objects into a SolidColorBrush.</p> <p>I tried all sorts of crazy stuff that should have nothing to do with my problem.</p> <ul> <li>implementing the convertback method in the IValueConverter interface</li> <li>setting the binding to a two way binding</li> <li>invoking the UpdateLayout method on the ItemsControl</li> </ul> <p>But nothing seemed to work.</p> <p>Anyone got any ideas? My english could be better so please ask if there is anything you want clearified =)</p> <p>Thanks in advance.</p>
 

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