Fix activation for nested conductor / screen scenarios

samples/features/Features.CrossPlatform.Shared/ViewModels/ConductorViewModel.cs

@@ -14,7 +14,7 @@ public ConductorViewModel()
             Items.CollectionChanged += (s, e) => NotifyOfPropertyChange(() => CanCloseTab);
         }
 
-        protected override async Task OnInitializeAsync(CancellationToken cancellationToken)
+        protected override async Task OnInitializedAsync(CancellationToken cancellationToken)
         {
             await AddTabAsync();
             await AddTabAsync();

samples/features/Features.CrossPlatform.Shared/ViewModels/TabViewModel.cs

@@ -14,14 +14,14 @@ public TabViewModel()
             Messages = new BindableCollection<string>();
         }
 
-        protected override Task OnInitializeAsync(CancellationToken cancellationToken)
+        protected override Task OnInitializedAsync(CancellationToken cancellationToken)
         {
             Messages.Add("Initialized");
 
             return Task.CompletedTask;
         }
 
-        protected override Task OnActivateAsync(CancellationToken cancellationToken)
+        protected override Task OnActivatedAsync(CancellationToken cancellationToken)
         {
             Messages.Add("Activated");
 
@@ -35,14 +35,14 @@ protected override Task OnDeactivateAsync(bool close, CancellationToken cancella
             return Task.CompletedTask;
         }
 
-        public override async Task<bool> CanCloseAsync(CancellationToken cancellationToken)
+        public override async Task<bool> CanCloseAsync(CancellationToken cancellationToken = default)
         {
             var delay = random.Next(5) + 1;
             var canClose = random.Next(2) == 0;
 
             Messages.Add($"Delaying {delay} seconds and allowing close: {canClose}");
 
-            await Task.Delay(TimeSpan.FromSeconds(delay));
+            await Task.Delay(TimeSpan.FromSeconds(delay), cancellationToken);
 
             return canClose;
         }

samples/scenarios/Scenario.Autofac/App.xaml.cs

@@ -26,7 +26,7 @@ protected override void Configure()
 
         protected override void OnLaunched(LaunchActivatedEventArgs args)
         {
-            DisplayRootViewFor<ShellViewModel>();
+            DisplayRootViewForAsync<ShellViewModel>();
         }
 
         protected override object GetInstance(Type service, string key)

samples/scenarios/Scenario.Autofac/Scenario.Autofac.csproj

@@ -11,8 +11,8 @@
     <AssemblyName>Scenario.Autofac</AssemblyName>
     <DefaultLanguage>en-US</DefaultLanguage>
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion>10.0.18362.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.18362.0</TargetPlatformMinVersion>
+    <TargetPlatformVersion>10.0.19041.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
     <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
@@ -127,11 +127,19 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Autofac">
-      <Version>4.4.0</Version>
-    </PackageReference>
-    <PackageReference Include="Caliburn.Micro">
-      <Version>3.0.3</Version>
+      <Version>8.1.1</Version>
     </PackageReference>
+    <Reference Include="Caliburn.Micro.Core, Version=4.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\uap10.0.19041\Caliburn.Micro.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Caliburn.Micro.Platform, Version=4.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\uap10.0.19041\Caliburn.Micro.Platform.dll</HintPath>
+    </Reference>
+    <Reference Include="Caliburn.Micro.Platform.Core">
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\uap10.0.19041\Caliburn.Micro.Platform.Core.dll</HintPath>
+    </Reference>
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
       <Version>6.2.14</Version>
     </PackageReference>

samples/scenarios/Scenario.Autofac/ViewModels/ShellViewModel.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Threading;
+using System.Threading.Tasks;
 using Caliburn.Micro;
 
 namespace Scenario.Autofac.ViewModels
@@ -10,9 +12,10 @@ public ShellViewModel(ChildViewModel child)
             Child = child;
         }
 
-        protected override void OnInitialize()
+        protected override Task OnInitializedAsync(CancellationToken cancellationToken)
         {
             DisplayName = "Shell";
+            return base.OnInitializedAsync(cancellationToken);
         }
 
         public ChildViewModel Child { get; }

samples/scenarios/Scenario.Functional.App/App.config

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
     </startup>
-</configuration>
+</configuration>

samples/scenarios/Scenario.Functional.App/Bootstrapper.cs

@@ -23,7 +23,7 @@ protected override void Configure()
 
         protected override void OnStartup(object sender, StartupEventArgs e)
         {
-            DisplayRootViewFor<ShellViewModel>();
+            DisplayRootViewForAsync<ShellViewModel>();
         }
 
         protected override IEnumerable<Assembly> SelectAssemblies()

samples/scenarios/Scenario.Functional.App/Scenario.Functional.App.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Scenario.Functional.App</RootNamespace>
     <AssemblyName>Scenario.Functional.App</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
@@ -29,6 +29,7 @@
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -53,21 +54,17 @@
     <StartupObject>Scenario.Functional.App.App</StartupObject>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Caliburn.Micro, Version=3.0.3.0, Culture=neutral, PublicKeyToken=8e5891231f2ed21f, processorArchitecture=MSIL">
-      <HintPath>..\packages\Caliburn.Micro.Core.3.0.3\lib\net45\Caliburn.Micro.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="Caliburn.Micro.Core">
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\net462\Caliburn.Micro.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Caliburn.Micro.Platform, Version=3.0.3.0, Culture=neutral, PublicKeyToken=8e5891231f2ed21f, processorArchitecture=MSIL">
-      <HintPath>..\packages\Caliburn.Micro.3.0.3\lib\net45\Caliburn.Micro.Platform.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="Caliburn.Micro.Platform">
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\net462\Caliburn.Micro.Platform.dll</HintPath>
     </Reference>
-    <Reference Include="Caliburn.Micro.Platform.Core, Version=3.0.3.0, Culture=neutral, PublicKeyToken=8e5891231f2ed21f, processorArchitecture=MSIL">
-      <HintPath>..\packages\Caliburn.Micro.3.0.3\lib\net45\Caliburn.Micro.Platform.Core.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="Caliburn.Micro.Platform.Core">
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\net462\Caliburn.Micro.Platform.Core.dll</HintPath>
     </Reference>
-    <Reference Include="FSharp.Core, Version=4.3.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\FSharp\.NETCore\3.7.4.0\FSharp.Core.dll</HintPath>
+    <Reference Include="FSharp.Core, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FSharp.Core.8.0.401\lib\netstandard2.0\FSharp.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data" />
@@ -142,18 +139,18 @@
       <Install>false</Install>
     </BootstrapperPackage>
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\Scenario.Functional.Core\Scenario.Functional.Core.fsproj">
-      <Project>{c2e6404f-1a1d-4efc-a87e-933d5a6c7677}</Project>
-      <Name>Scenario.Functional.Core</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <Page Include="Views\ShellView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Scenario.Functional\Scenario.Functional.fsproj">
+      <Project>{30005a9b-dbbb-4cd4-a405-8b78a2711202}</Project>
+      <Name>Scenario.Functional</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

samples/scenarios/Scenario.Functional.App/packages.config

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Caliburn.Micro" version="3.0.3" targetFramework="net452" />
-  <package id="Caliburn.Micro.Core" version="3.0.3" targetFramework="net452" />
+  <package id="FSharp.Core" version="8.0.401" targetFramework="net48" />
 </packages>

samples/scenarios/Scenario.Functional/Scenario.Functional.fsproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework> 
+
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <WarnOn>3390;$(WarnOn)</WarnOn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="ShellViewModel.fs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="Caliburn.Micro.Core">
+      <HintPath>..\..\..\bin\Caliburn.Micro.Platform\release\net462\Caliburn.Micro.Core.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+</Project>

samples/scenarios/Scenario.Functional.Core/ShellViewModel.fs → samples/scenarios/Scenario.Functional/ShellViewModel.fs

@@ -1,14 +1,18 @@
 namespace Scenario.Functional.Core.ViewModels
 
 open Caliburn.Micro
+open System.Threading.Tasks
 
 type ShellViewModel() = 
     inherit Screen()
 
     let mutable name = "Enter your name"
 
-    override this.OnInitialize () =
-        this.DisplayName <- "Shell"
+    override this.OnInitializedAsync (cancellationToken) =
+        async {
+            this.DisplayName <- "Shell"
+        }
+        |> Async.StartAsTask :> Task
 
     member this.Name
         with get() = name
@@ -17,4 +21,4 @@ type ShellViewModel() =
             base.NotifyOfPropertyChange()
 
     member this.SayHello () =
-        this.DisplayName <- "Hello " + this.Name
+        this.DisplayName <- "Hello " + this.Name

samples/scenarios/Scenario.KeyBinding/App.config

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
     </startup>
-</configuration>
+</configuration>