From 485b27614c61e42434f7f75ddfa82be61adc16ae Mon Sep 17 00:00:00 2001
From: vddCore <vddcore@outlook.com>
Date: Thu, 28 Mar 2024 08:29:12 +0100
Subject: [PATCH] Make launcher semi-functional after 11.0.10 upgrade.

---
 Saradomin/App.axaml                           |  3 +-
 Saradomin/Resources/Styles/CheckBox.axaml     |  8 ++--
 Saradomin/Resources/Styles/RadioButton.axaml  |  8 ++--
 .../Resources/Styles/TopBarNavigation.axaml   | 16 +++++---
 Saradomin/Saradomin.csproj                    |  9 ++--
 .../View/Controls/PluginManagerView.axaml     |  5 +--
 .../View/Controls/PluginManagerView.axaml.cs  |  9 +---
 Saradomin/View/Controls/SettingsView.axaml    |  2 +-
 Saradomin/View/Controls/SettingsView.axaml.cs |  7 +---
 .../View/Controls/SingleplayerView.axaml.cs   |  7 +---
 Saradomin/View/Windows/MainWindow.axaml       | 11 +++--
 Saradomin/View/Windows/MainWindow.axaml.cs    | 10 +----
 Saradomin/View/Windows/NotificationBox.axaml  |  1 -
 .../View/Windows/NotificationBox.axaml.cs     | 17 ++------
 .../Controls/PluginManagerViewModel.cs        | 23 +++++++----
 .../ViewModel/Controls/SettingsViewModel.cs   | 41 ++++++++++---------
 .../ViewModel/Windows/MainWindowViewModel.cs  |  4 +-
 17 files changed, 79 insertions(+), 102 deletions(-)

diff --git a/Saradomin/App.axaml b/Saradomin/App.axaml
index a9fd21a..85e5d35 100644
--- a/Saradomin/App.axaml
+++ b/Saradomin/App.axaml
@@ -93,8 +93,7 @@
     </Application.Resources>
 
     <Application.Styles>
-        <StyleInclude Source="avares://Avalonia.Themes.Default/Accents/BaseDark.xaml" />
-        <StyleInclude Source="avares://Avalonia.Themes.Default/DefaultTheme.xaml" />
+        <SimpleTheme />
 
         <StyleInclude Source="avares://Saradomin/Resources/Styles/TopBarNavigation.axaml" />
         <StyleInclude Source="avares://Saradomin/Resources/Styles/CloseButton.axaml" />
diff --git a/Saradomin/Resources/Styles/CheckBox.axaml b/Saradomin/Resources/Styles/CheckBox.axaml
index 7466129..0940940 100644
--- a/Saradomin/Resources/Styles/CheckBox.axaml
+++ b/Saradomin/Resources/Styles/CheckBox.axaml
@@ -16,8 +16,8 @@
                     </Canvas>
                     
                     <ContentPresenter Grid.Column="1" 
-                                      TextBlock.Foreground="{TemplateBinding Foreground}"
-                                      TextBlock.FontSize="13"
+                                      TextElement.Foreground="{TemplateBinding Foreground}"
+                                      TextElement.FontSize="13"
                                       Margin="2,0,0,0"
                                       ContentTemplate="{TemplateBinding ContentTemplate}"
                                       Content="{TemplateBinding Content}"
@@ -45,8 +45,8 @@
                     </Canvas>
                     
                     <ContentPresenter Grid.Column="1" 
-                                      TextBlock.Foreground="{TemplateBinding Foreground}"
-                                      TextBlock.FontSize="13"
+                                      TextElement.Foreground="{TemplateBinding Foreground}"
+                                      TextElement.FontSize="13"
                                       Margin="2,0,0,0"
                                       ContentTemplate="{TemplateBinding ContentTemplate}"
                                       Content="{TemplateBinding Content}"
diff --git a/Saradomin/Resources/Styles/RadioButton.axaml b/Saradomin/Resources/Styles/RadioButton.axaml
index 04f4c40..434849b 100644
--- a/Saradomin/Resources/Styles/RadioButton.axaml
+++ b/Saradomin/Resources/Styles/RadioButton.axaml
@@ -21,8 +21,8 @@
                                       Content="{TemplateBinding Content}"
                                       VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                       HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
-                                      TextBlock.FontSize="13"
-                                      TextBlock.Foreground="{TemplateBinding Foreground}" />
+                                      TextElement.FontSize="13"
+                                      TextElement.Foreground="{TemplateBinding Foreground}" />
                 </Grid>
             </ControlTemplate>
         </Setter>
@@ -49,8 +49,8 @@
                                       Content="{TemplateBinding Content}"
                                       VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                       HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
-                                      TextBlock.FontSize="13"
-                                      TextBlock.Foreground="{TemplateBinding Foreground}" />
+                                      TextElement.FontSize="13"
+                                      TextElement.Foreground="{TemplateBinding Foreground}" />
                 </Grid>
             </ControlTemplate>
         </Setter>
diff --git a/Saradomin/Resources/Styles/TopBarNavigation.axaml b/Saradomin/Resources/Styles/TopBarNavigation.axaml
index 50f3f2d..d0083af 100644
--- a/Saradomin/Resources/Styles/TopBarNavigation.axaml
+++ b/Saradomin/Resources/Styles/TopBarNavigation.axaml
@@ -10,7 +10,7 @@
         <Setter Property="Margin" Value="4,0,0,0" />
     </Style>
 
-    <Style Selector="TabControl.PageSelector &gt; TabItem">
+    <Style Selector="TabControl.PageSelector > TabItem">
         <Setter Property="FontSize" Value="13" />
         <Setter Property="FontWeight" Value="Light" />
         <Setter Property="Height" Value="20" />
@@ -22,19 +22,23 @@
         <Setter Property="Margin" Value="0,0,0,0" />
         <Setter Property="Padding" Value="6,0,6,1" />
     </Style>
-
-    <Style Selector="TabControl.PageSelector &gt; TabItem:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    
+    <Style Selector="TabControl.PageSelector /template/ Border">
+        <Setter Property="Padding" Value="0" />
+    </Style>
+    
+    <Style Selector="TabControl.PageSelector > TabItem:pointerover /template/ ContentPresenter#PART_ContentPresenter">
         <Setter Property="Background" Value="{StaticResource DarkMediumBackgroundBrush}" />
     </Style>
-    <Style Selector="TabControl.PageSelector &gt; TabItem:focus /template/ ContentPresenter#PART_ContentPresenter">
+    <Style Selector="TabControl.PageSelector > TabItem:focus /template/ ContentPresenter#PART_ContentPresenter">
         <Setter Property="Background" Value="{StaticResource DarkBackgroundBrush}" />
     </Style>
 
-    <Style Selector="TabControl.PageSelector &gt; TabItem:selected">
+    <Style Selector="TabControl.PageSelector > TabItem:selected">
         <Setter Property="Foreground" Value="{StaticResource AccentBrush}" />
     </Style>
 
-    <Style Selector="TabControl.PageSelector &gt; TabItem:selected /template/ ContentPresenter#PART_ContentPresenter">
+    <Style Selector="TabControl.PageSelector > TabItem:selected /template/ ContentPresenter#PART_ContentPresenter">
         <Setter Property="Background" Value="{StaticResource DarkBackgroundBrush}" />
     </Style>
 </Styles>
\ No newline at end of file
diff --git a/Saradomin/Saradomin.csproj b/Saradomin/Saradomin.csproj
index 1c30132..857cb8b 100644
--- a/Saradomin/Saradomin.csproj
+++ b/Saradomin/Saradomin.csproj
@@ -24,12 +24,13 @@
     </Target>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="0.10.18" />
-        <PackageReference Include="Avalonia.Desktop" Version="0.10.18" />
+        <PackageReference Include="Avalonia" Version="11.0.10" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.0.10" />
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.18" />
+        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.10" />
+        <PackageReference Include="Avalonia.Themes.Simple" Version="11.0.10" />
         <PackageReference Include="GitLabApiClient" Version="1.8.0" />
-        <PackageReference Include="HtmlAgilityPack" Version="1.11.46" />
+        <PackageReference Include="HtmlAgilityPack" Version="1.11.60" />
         <PackageReference Include="Mono.Posix.NETStandard" Version="1.0.0" />
         <PackageReference Include="NSubsys" Version="1.0.0">
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Saradomin/View/Controls/PluginManagerView.axaml b/Saradomin/View/Controls/PluginManagerView.axaml
index e49ac41..352de7b 100644
--- a/Saradomin/View/Controls/PluginManagerView.axaml
+++ b/Saradomin/View/Controls/PluginManagerView.axaml
@@ -29,11 +29,10 @@
                                    ZIndex="9999"
                                    Width="425" />
                         <ListBox Classes="PluginList"
-                                 Items="{Binding PluginList}"
+                                 ItemsSource="{Binding PluginList}"
                                  SelectionMode="Single"
                                  ClipToBounds="True"
-                                 IsVisible="{Binding PluginList.Count}"
-                                 VirtualizationMode="Simple">
+                                 IsVisible="{Binding PluginList.Count}">
                             <ListBox.ItemTemplate>
                                 <DataTemplate DataType="{x:Type model:PluginInfo}">
                                     <Grid ColumnDefinitions="250,50,100" RowDefinitions="*" >
diff --git a/Saradomin/View/Controls/PluginManagerView.axaml.cs b/Saradomin/View/Controls/PluginManagerView.axaml.cs
index 45e2d9f..c904949 100644
--- a/Saradomin/View/Controls/PluginManagerView.axaml.cs
+++ b/Saradomin/View/Controls/PluginManagerView.axaml.cs
@@ -1,21 +1,14 @@
-using Avalonia;
 using Avalonia.Controls;
-using Avalonia.Markup.Xaml;
 using PropertyChanged;
 
 namespace Saradomin.View.Controls
 {
     [DoNotNotify]
-    public class PluginManagerView : UserControl
+    public partial class PluginManagerView : UserControl
     {
         public PluginManagerView()
         {
             InitializeComponent();
         }
-    
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/Saradomin/View/Controls/SettingsView.axaml b/Saradomin/View/Controls/SettingsView.axaml
index e2d2998..b460169 100644
--- a/Saradomin/View/Controls/SettingsView.axaml
+++ b/Saradomin/View/Controls/SettingsView.axaml
@@ -70,7 +70,7 @@
 
                         <ComboBox Grid.Row="1"
                                   Margin="2,0,0,2"
-                                  Items="{Binding ServerProfiles}"
+                                  ItemsSource="{Binding ServerProfiles}"
                                   SelectedItem="{Binding ServerProfile, Converter={StaticResource EnumDescriptionConverter}, Mode=TwoWay}">
                             <ComboBox.Styles>
                                 <Style Selector="ComboBoxItem">
diff --git a/Saradomin/View/Controls/SettingsView.axaml.cs b/Saradomin/View/Controls/SettingsView.axaml.cs
index 788d904..c016de9 100644
--- a/Saradomin/View/Controls/SettingsView.axaml.cs
+++ b/Saradomin/View/Controls/SettingsView.axaml.cs
@@ -5,16 +5,11 @@ using PropertyChanged;
 namespace Saradomin.View.Controls
 {
     [DoNotNotify]
-    public class SettingsView : UserControl
+    public partial class SettingsView : UserControl
     {
         public SettingsView()
         {
             InitializeComponent();
         }
-
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/Saradomin/View/Controls/SingleplayerView.axaml.cs b/Saradomin/View/Controls/SingleplayerView.axaml.cs
index c569ea2..6c2e6e2 100644
--- a/Saradomin/View/Controls/SingleplayerView.axaml.cs
+++ b/Saradomin/View/Controls/SingleplayerView.axaml.cs
@@ -5,16 +5,11 @@ using PropertyChanged;
 namespace Saradomin.View.Controls
 {
     [DoNotNotify]
-    public class SingleplayerView : UserControl
+    public partial class SingleplayerView : UserControl
     {
         public SingleplayerView()
         {
             InitializeComponent();
         }
-
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/Saradomin/View/Windows/MainWindow.axaml b/Saradomin/View/Windows/MainWindow.axaml
index 9f07adf..1d0a530 100644
--- a/Saradomin/View/Windows/MainWindow.axaml
+++ b/Saradomin/View/Windows/MainWindow.axaml
@@ -5,13 +5,12 @@
                    xmlns:glitonea="clr-namespace:Glitonea;assembly=Glitonea"
                    xmlns:mvvm="clr-namespace:Glitonea.Mvvm;assembly=Glitonea"
                    xmlns:vm="clr-namespace:Saradomin.ViewModel.Windows"
-                   Name="MainWindow"
-                   Title="{Binding Title}"
+                   DataContext="{mvvm:DataContextSource vm:MainWindowViewModel}"
+                   Title="{Binding Title, Mode=TwoWay}"
                    Width="800"
                    Height="550"
                    Background="{StaticResource WindowBackgroundBrush}"
                    CanResize="False"
-                   DataContext="{mvvm:DataContextSource vm:MainWindowViewModel}"
                    Icon="avares://Saradomin/Resources/Icons/saradomin.ico"
                    SystemDecorations="None"
                    WindowStartupLocation="CenterScreen">
@@ -43,7 +42,7 @@
                                FontSize="14"
                                FontWeight="Light"
                                Foreground="{StaticResource AccentBrush}"
-                               Text="{Binding #MainWindow.Title}"
+                               Text="{Binding Title, Mode=TwoWay}"
                                TextAlignment="Center" />
 
                     <Button Grid.Column="2"
@@ -86,15 +85,15 @@
                 </Grid>
 
                 <TabControl Grid.Row="1"
-                            Grid.RowSpan="1"
                             Background="Transparent"
                             BorderBrush="{StaticResource DarkBorderBrush}"
+                            Padding="0"
                             Classes="PageSelector">
                     <TabItem Width="95"
                              HorizontalContentAlignment="Center"
                              CornerRadius="0,0,0,8"
                              Header="what's new">
-                        <Border Margin="4,0,4,0"
+                        <Border Margin="4,4,4,0"
                                 Background="{StaticResource MediumBackgroundBrush}"
                                 BorderBrush="{StaticResource SemiLightMediumBorderBrush}"
                                 BorderThickness="1,1,1,0"
diff --git a/Saradomin/View/Windows/MainWindow.axaml.cs b/Saradomin/View/Windows/MainWindow.axaml.cs
index bbd9efb..6351c67 100644
--- a/Saradomin/View/Windows/MainWindow.axaml.cs
+++ b/Saradomin/View/Windows/MainWindow.axaml.cs
@@ -10,14 +10,11 @@ using Saradomin.Infrastructure.Messaging;
 namespace Saradomin.View.Windows
 {
     [DoNotNotify]
-    public class MainWindow : Window
+    public partial class MainWindow : Window
     {
         public MainWindow()
         {
             InitializeComponent();
-#if DEBUG
-            this.AttachDevTools();
-#endif
         }
 
         protected override void OnOpened(EventArgs e)
@@ -26,11 +23,6 @@ namespace Saradomin.View.Windows
                 .Broadcast();
         }
 
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
-
         private void TitleBar_MouseDown(object _, PointerPressedEventArgs e)
         {
             if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
diff --git a/Saradomin/View/Windows/NotificationBox.axaml b/Saradomin/View/Windows/NotificationBox.axaml
index 335bc01..ac46631 100644
--- a/Saradomin/View/Windows/NotificationBox.axaml
+++ b/Saradomin/View/Windows/NotificationBox.axaml
@@ -4,7 +4,6 @@
                    xmlns:glitonea="clr-namespace:Glitonea;assembly=Glitonea"
                    xmlns:mvvm="clr-namespace:Glitonea.Mvvm;assembly=Glitonea"
                    xmlns:windows="clr-namespace:Saradomin.ViewModel.Windows"
-                   Name="NotificationBox"
                    Title="{Binding Title}"
                    Height="120"
                    MaxWidth="400"
diff --git a/Saradomin/View/Windows/NotificationBox.axaml.cs b/Saradomin/View/Windows/NotificationBox.axaml.cs
index edf5863..a974693 100644
--- a/Saradomin/View/Windows/NotificationBox.axaml.cs
+++ b/Saradomin/View/Windows/NotificationBox.axaml.cs
@@ -2,7 +2,6 @@ using System.Collections.Generic;
 using System.Linq;
 using Avalonia;
 using Avalonia.Controls;
-using Avalonia.Markup.Xaml;
 using Glitonea;
 using Glitonea.Extensions;
 using PropertyChanged;
@@ -11,19 +10,16 @@ using Saradomin.Infrastructure.Messaging;
 namespace Saradomin.View.Windows
 {
     [DoNotNotify]
-    public class NotificationBox : WindowEx
+    public partial class NotificationBox : WindowEx
     {
         private static Queue<NotificationBox> _notificationQueue = new();
         
         public static NotificationBox Current { get; private set; }
         
-        public static readonly StyledProperty<string> MessageProperty = new(
+        public static readonly StyledProperty<string> MessageProperty = AvaloniaProperty.Register<NotificationBox, string>(
             nameof(Message), 
-            typeof(NotificationBox),
-            new StyledPropertyMetadata<string>(
-                "This is supposed to be a message.\n" +
-                "Someone messed up, though, so have this placeholder instead."
-            )
+            "This is supposed to be a message.\n" +
+            "Someone messed up, though, so have this placeholder instead."
         );
 
         public string Message
@@ -87,10 +83,5 @@ namespace Saradomin.View.Windows
                     .Broadcast();
             }
         }
-
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/Saradomin/ViewModel/Controls/PluginManagerViewModel.cs b/Saradomin/ViewModel/Controls/PluginManagerViewModel.cs
index a6a8245..c037cb1 100644
--- a/Saradomin/ViewModel/Controls/PluginManagerViewModel.cs
+++ b/Saradomin/ViewModel/Controls/PluginManagerViewModel.cs
@@ -39,8 +39,11 @@ namespace Saradomin.ViewModel.Controls
             PluginList = new ObservableCollection<PluginInfo>(remotePlugins.OrderByDescending(x => x.Installed));
         }
 
-        public async Task InstallRemotePlugin(PluginInfo pluginInfo)
+        public async Task InstallRemotePlugin(object parameter)
         {
+            if (parameter is not PluginInfo pluginInfo)
+                return;
+            
             if (IsTransactionInProgress)
                 return;
 
@@ -68,8 +71,11 @@ namespace Saradomin.ViewModel.Controls
             }
         }
 
-        public async Task UninstallLocalPlugin(PluginInfo pluginInfo)
+        public async Task UninstallLocalPlugin(object parameter)
         {
+            if (parameter is not PluginInfo pluginInfo)
+                return;
+            
             if (IsTransactionInProgress)
                 return;
 
@@ -125,8 +131,11 @@ namespace Saradomin.ViewModel.Controls
             }
         }
 
-        public async Task UpdateLocalPlugin (PluginInfo info)
+        public async Task UpdateLocalPlugin(object parameter)
         {
+            if (parameter is not PluginInfo pluginInfo)
+                return;
+            
             if (IsTransactionInProgress)
                 return;
 
@@ -134,15 +143,15 @@ namespace Saradomin.ViewModel.Controls
             {
                 IsTransactionInProgress = true;
                 
-                await _pluginDownloadService.DownloadPluginFiles(info.Name, _pluginManagementService.PluginRepositoryPath);
+                await _pluginDownloadService.DownloadPluginFiles(pluginInfo.Name, _pluginManagementService.PluginRepositoryPath);
                 await RefreshPluginCollections();
 
-                var newInfo = PluginList.First(x => x.Name == info.Name);
-                if (newInfo.Version != info.Version)
+                var newInfo = PluginList.First(x => x.Name == pluginInfo.Name);
+                if (newInfo.Version != pluginInfo.Version)
                 {
                     NotificationBox.DisplayNotification(
                         "Success!",
-                        $"Successfully updated {info.Name} to version {newInfo.Version}!"
+                        $"Successfully updated {pluginInfo.Name} to version {newInfo.Version}!"
                     );
                 }
             }
diff --git a/Saradomin/ViewModel/Controls/SettingsViewModel.cs b/Saradomin/ViewModel/Controls/SettingsViewModel.cs
index 72b972f..057d718 100644
--- a/Saradomin/ViewModel/Controls/SettingsViewModel.cs
+++ b/Saradomin/ViewModel/Controls/SettingsViewModel.cs
@@ -1,12 +1,10 @@
 using System;
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Reflection;
-using System.Runtime.InteropServices;
-using System.Text.Json;
 using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Platform.Storage;
 using Glitonea.Extensions;
 using Glitonea.Mvvm;
 using Glitonea.Mvvm.Messaging;
@@ -78,6 +76,26 @@ namespace Saradomin.ViewModel.Controls
 
            Message.Subscribe<MainViewLoadedMessage>(this, OnMainViewLoaded);
         }
+        
+        public async Task BrowseForJavaExecutable()
+        {
+            var window = Application.Current.GetMainWindow();
+            var pickerOptions = new FilePickerOpenOptions
+            {
+                Title = "Browse for Java...",
+                AllowMultiple = false,
+                SuggestedStartLocation =await window.StorageProvider.TryGetFolderFromPathAsync(
+                    Environment.GetFolderPath(Environment.SpecialFolder.UserProfile)
+                )
+            };
+
+            var storageFiles = await window.StorageProvider.OpenFilePickerAsync(pickerOptions);
+            
+            if (storageFiles.Count > 0)
+            {
+                Launcher.JavaExecutableLocation = storageFiles[0].Path.AbsolutePath;
+            }
+        }
 
         private void LaunchScapeWebsite()
         {
@@ -103,22 +121,5 @@ namespace Saradomin.ViewModel.Controls
         {
             _settingsService.SaveAll();
         }
-
-        private async Task BrowseForJavaExecutable()
-        {
-            var ofd = new OpenFileDialog
-            {
-                Title = "Browse for Java...",
-                AllowMultiple = false,
-                Directory = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile)
-            };
-
-            var paths = await ofd.ShowAsync(Application.Current.GetMainWindow());
-
-            if (paths != null && paths.Length > 0)
-            {
-                Launcher.JavaExecutableLocation = paths[0];
-            }
-        }
     }
 }
\ No newline at end of file
diff --git a/Saradomin/ViewModel/Windows/MainWindowViewModel.cs b/Saradomin/ViewModel/Windows/MainWindowViewModel.cs
index 49bdf08..082d5ff 100644
--- a/Saradomin/ViewModel/Windows/MainWindowViewModel.cs
+++ b/Saradomin/ViewModel/Windows/MainWindowViewModel.cs
@@ -105,7 +105,7 @@ namespace Saradomin.ViewModel.Windows
             DimContent = msg.WasOpened;
         }
 
-        public void LaunchPage(string parameter)
+        public void LaunchPage(object parameter)
         {
             var url = parameter switch
             {
@@ -121,7 +121,7 @@ namespace Saradomin.ViewModel.Windows
         }
 
         [DependsOn(nameof(CanLaunch))]
-        public bool CanExecuteLaunchSequence(object param)
+        public bool CanExecuteLaunchSequence(object parameter)
             => CanLaunch;
 
         //Stub to maintain compatibility with AXAML