Merge pull request #84 from tksh164/dotnet9

Change target framework to .NET 9

Author: tksh164

src/alter/Resources/app.manifest

@@ -54,7 +54,6 @@
 
   <application xmlns="urn:schemas-microsoft-com:asm.v3">
     <windowsSettings>
-      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/pm</dpiAware>
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
       <longPathAware xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">true</longPathAware>
     </windowsSettings>

src/alter/alter.csproj

@@ -2,17 +2,18 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows8.0</TargetFramework>
+    <TargetFramework>net9.0-windows8.0</TargetFramework>
     <UseWPF>true</UseWPF>
     <UseWindowsForms>true</UseWindowsForms>
+	<ApplicationHighDpiMode>PerMonitorV2</ApplicationHighDpiMode>
     <Nullable>enable</Nullable>
     <RootNamespace>AlterApp</RootNamespace>
     <ApplicationManifest>Resources\app.manifest</ApplicationManifest>
     <ApplicationIcon>Resources\alter.ico</ApplicationIcon>
     <GenerateAssemblyInfo>true</GenerateAssemblyInfo>
     <IncludeSourceRevisionInInformationalVersion>true</IncludeSourceRevisionInInformationalVersion>
     <PublishReadyToRun>true</PublishReadyToRun>
-    <NoWarn>$(NoWarn);WFAC010</NoWarn>
+    <NoWarn>$(NoWarn)</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup>

src/msrdcax/AxMsRdpClient.cs

@@ -1,4 +1,5 @@
-using MsRdcAx.AxMsTscLib;
+using System;
+using MsRdcAx.AxMsTscLib;
 
 namespace MsRdcAx
 {
@@ -16,8 +17,15 @@ public double GetDesktopScaleFactor()
 
         public void SetRdpExtendedSetting(string propertyName, object propertyValue)
         {
-            var rdpExtendedSettings = (MSTSCLib.IMsRdpExtendedSettings)this.GetOcx();
-            rdpExtendedSettings.set_Property(propertyName, ref propertyValue);
+            var rdpExtendedSettings = this.GetOcx() as MSTSCLib.IMsRdpExtendedSettings;
+            if (rdpExtendedSettings != null)
+            {
+                rdpExtendedSettings.set_Property(propertyName, ref propertyValue);
+            }
+            else
+            {
+                throw new InvalidOperationException($@"Failed to cast to IMsRdpExtendedSettings for property ""{propertyName}"".");
+            }
         }
     }
 }

src/msrdcax/msrdcax.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows8.0</TargetFramework>
+    <TargetFramework>net9.0-windows8.0</TargetFramework>
     <UseWPF>true</UseWPF>
     <UseWindowsForms>true</UseWindowsForms>
     <Nullable>enable</Nullable>