Add BindingProxy to fix runtime binding errors

BYJRK/DotNet-Discussions#364

Author: CodingOctocat

IPConfig/Controls/BindingProxy.cs

@@ -0,0 +1,32 @@
+using System.Windows;
+
+namespace IPConfig.Controls;
+
+/// <summary>
+/// <see cref="[WPF] How to bind to data when the DataContext is not inherited">https://thomaslevesque.com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/</see>
+/// </summary>
+public class BindingProxy : Freezable
+{
+    #region Overrides of Freezable
+
+    protected override Freezable CreateInstanceCore()
+    {
+        return new BindingProxy();
+    }
+
+    #endregion Overrides of Freezable
+
+    // Using a DependencyProperty as the backing store for Data.  This enables animation, styling, binding, etc...
+    public static readonly DependencyProperty DataProperty =
+        DependencyProperty.Register(
+            "Data",
+            typeof(object),
+            typeof(BindingProxy),
+            new UIPropertyMetadata(null));
+
+    public object Data
+    {
+        get => GetValue(DataProperty);
+        set => SetValue(DataProperty, value);
+    }
+}

IPConfig/Views/NicConfigDetailView.xaml

@@ -2,6 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:b="clr-namespace:IPConfig.Behaviors"
+             xmlns:control="clr-namespace:IPConfig.Controls"
              xmlns:conv="clr-namespace:IPConfig.Converters"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:hc="https://handyorg.github.io/handycontrol"
@@ -20,6 +21,9 @@
              IsVisibleChanged="UserControl_IsVisibleChanged"
              mc:Ignorable="d">
     <UserControl.Resources>
+        <control:BindingProxy x:Key="Proxy"
+                              Data="{Binding}" />
+
         <conv:CopyContentFormatConverter x:Key="CopyContentFormatConverter" />
         <conv:BytesToFileSizeConverter x:Key="BytesToFileSizeConverter" />
 
@@ -108,7 +112,7 @@
 
     <UserControl.InputBindings>
         <KeyBinding Key="Backspace"
-                    Command="{Binding GoBackCommand}" />
+                    Command="{Binding Data.GoBackCommand, Source={StaticResource Proxy}}" />
     </UserControl.InputBindings>
 
     <Grid>

IPConfig/Views/NicInfoCardView.xaml

@@ -2,6 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:b="clr-namespace:IPConfig.Behaviors"
+             xmlns:control="clr-namespace:IPConfig.Controls"
              xmlns:conv="clr-namespace:IPConfig.Converters"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:hc="https://handyorg.github.io/handycontrol"
@@ -16,20 +17,23 @@
              d:DesignWidth="200"
              mc:Ignorable="d">
     <UserControl.Resources>
+        <control:BindingProxy x:Key="Proxy"
+                              Data="{Binding}" />
+
         <conv:NicIPConfigToolTipConverter x:Key="NicIPConfigToolTipConverter" />
         <conv:SelectedNicIPConfigNameConverter x:Key="SelectedNicIPConfigNameConverter" />
     </UserControl.Resources>
 
     <UserControl.InputBindings>
         <KeyBinding Key="F11"
-                    Command="{Binding ViewNicIPConfigCommand}"
+                    Command="{Binding Data.ViewNicIPConfigCommand, Source={StaticResource Proxy}}"
                     CommandParameter="{StaticResource True}" />
 
         <KeyBinding Key="F12"
-                    Command="{Binding ViewToNicConfigDetailCommand}" />
+                    Command="{Binding Data.ViewToNicConfigDetailCommand, Source={StaticResource Proxy}}" />
 
         <KeyBinding Key="Esc"
-                    Command="{Binding ViewNicIPConfigCommand}"
+                    Command="{Binding Data.ViewNicIPConfigCommand, Source={StaticResource Proxy}}"
                     CommandParameter="{StaticResource False}" />
     </UserControl.InputBindings>
 

IPConfig/Views/NicSelectorView.xaml

@@ -2,6 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:b="clr-namespace:IPConfig.Behaviors"
+             xmlns:control="clr-namespace:IPConfig.Controls"
              xmlns:conv="clr-namespace:IPConfig.Converters"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:hc="https://handyorg.github.io/handycontrol"
@@ -17,6 +18,9 @@
              d:DesignWidth="400"
              mc:Ignorable="d">
     <UserControl.Resources>
+        <control:BindingProxy x:Key="Proxy"
+                              Data="{Binding}" />
+
         <conv:OperationalStatusToolTipConverter x:Key="OpStatusToolTipConverter" />
     </UserControl.Resources>
 
@@ -28,7 +32,7 @@
 
     <UserControl.InputBindings>
         <KeyBinding Key="F5"
-                    Command="{Binding RefreshCommand}"
+                    Command="{Binding Data.RefreshCommand, Source={StaticResource Proxy}}"
                     CommandParameter="{StaticResource True}" />
     </UserControl.InputBindings>