Downgrade launcher framework to .NET 4.0

.github/workflows/publish.yml

@@ -26,10 +26,10 @@ jobs:
       uses: gittools/actions/gitversion/execute@v0
 
     - name: Publish
-      run: dotnet publish --configuration Release -p:DebugType=embedded -p:AssemblyVersion=$env:GitVersion_AssemblySemVer -p:FileVersion=$env:GitVersion_AssemblySemFileVer -p:InformationalVersion=$env:GitVersion_InformationalVersion
+      run: dotnet publish --framework net40 --configuration Release -p:DebugType=embedded -p:AssemblyVersion=$env:GitVersion_AssemblySemVer -p:FileVersion=$env:GitVersion_AssemblySemFileVer -p:InformationalVersion=$env:GitVersion_InformationalVersion
 
     - name: Zip
-      run: 7z a -r ${{ format('CnCNet.LauncherStub-v{0}-net471.zip', env.GitVersion_SemVer) }} ./bin/Release/net471/publish/*.*
+      run: 7z a -r ${{ format('CnCNet.LauncherStub-v{0}-net40.zip', env.GitVersion_SemVer) }} ./bin/Release/net40/publish/*.*
 
     - name: Prerelease
       if: ${{ env.GitVersion_PreReleaseTag != '' }}

AdvancedMessageBoxViewModel.cs

@@ -12,7 +12,7 @@ public ObservableCollection<CommandViewModel> Commands
         set
         {
             commands = value;
-            NotifyPropertyChanged();
+            NotifyPropertyChanged("Commands");
         }
     }
 
@@ -24,7 +24,7 @@ public string Title
         set
         {
             title = value;
-            NotifyPropertyChanged();
+            NotifyPropertyChanged("Title");
         }
     }
 
@@ -36,7 +36,7 @@ public string Message
         set
         {
             message = value;
-            NotifyPropertyChanged();
+            NotifyPropertyChanged("Message");
         }
     }
 }

CnCNet.LauncherStub.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
   <PropertyGroup>
-    <TargetFramework>net471</TargetFramework>
+    <TargetFrameworks>net40; net471</TargetFrameworks>
     <LangVersion>12.0</LangVersion>
     <OutputType>WinExe</OutputType>
     <UseWPF>true</UseWPF>
@@ -25,7 +25,4 @@
   <ItemGroup>
     <Content Include="mainclienticon.ico" />
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-  </ItemGroup>
 </Project>

CnCNet.LauncherStub.sln

@@ -8,7 +8,6 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{31CF936D-B0E9-4B0B-9D87-255E3514164A}"
 	ProjectSection(SolutionItems) = preProject
 		.github\workflows\publish.yml = .github\workflows\publish.yml
-		.github\workflows\publishcustomicon.yml = .github\workflows\publishcustomicon.yml
 	EndProjectSection
 EndProject
 Global

CommandViewModel.cs

@@ -12,7 +12,7 @@ public string Text
         set
         {
             text = value;
-            NotifyPropertyChanged();
+            NotifyPropertyChanged("Text");
         }
     }
 
@@ -24,7 +24,7 @@ public ICommand Command
         set
         {
             command = value;
-            NotifyPropertyChanged();
+            NotifyPropertyChanged("Command");
         }
     }
 }

NotifyPropertyChangedBase.cs

@@ -1,16 +1,19 @@
 namespace CnCNet.LauncherStub;
 
 using System.ComponentModel;
-using System.Runtime.CompilerServices;
 
 public abstract class NotifyPropertyChangedBase : INotifyPropertyChanged
 {
     public event PropertyChangedEventHandler? PropertyChanged;
 
+#if NET45_OR_GREATER || NETSTANDARD || NET
     /// <summary>
     /// This method is called by the Set accessor of each property. <br/>
     /// The CallerMemberName attribute that is applied to the optional propertyName parameter causes the property name of the caller to be substituted as an argument.
     /// </summary>
     /// <param name="propertyName">The property name. Default to the caller.</param>
-    internal void NotifyPropertyChanged([CallerMemberName] string propertyName = "") => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    internal void NotifyPropertyChanged([System.Runtime.CompilerServices.CallerMemberName] string propertyName = "") => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+#else
+    internal void NotifyPropertyChanged(string propertyName) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+#endif
 }