Update InjectionManager.cs

This reverts commit ad9624f1d72b1c75b65a3c7876ef75d3171df874.

csharp/.github/workflows/release.yml

@@ -10,17 +10,19 @@ permissions:
 
 jobs:
   build-and-release:
-    runs-on: windows-2019
+    runs-on: windows-2025-vs2026
 
     steps:
       - name: Checkout
         uses: actions/checkout@v6
 
-      - name: Setup MSBuild
-        uses: microsoft/setup-msbuild@v2
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v5
+        with:
+          dotnet-version: 10.x
 
       - name: Build Solution
-        run: msbuild TimeMocker.sln -p:Configuration=Release -p:Platform=x64 -m
+        run: dotnet build TimeMocker.sln -c Release -p:Platform=x64
 
       - name: Prepare Release Artifacts
         run: |

csharp/TimeMocker.Hook/InjectionEntryPoint.cs

@@ -65,29 +65,23 @@ namespace TimeMocker.Hook
 
         public void Run(RemoteHooking.IContext context, string mmfName)
         {
-            string logPath = Path.Combine(Path.GetTempPath(), "TimeMocker.Hook.log");
-
             try
             {
-                File.AppendAllText(logPath, $"[{DateTime.Now}] Starting hook, MMF: {mmfName}\r\n");
-
                 // Open the shared memory created by the UI process
                 _mmf = System.IO.MemoryMappedFiles.MemoryMappedFile.OpenExisting(mmfName);
                 _view = _mmf.CreateViewAccessor(0, Marshal.SizeOf<MockTimeInfo>());
-                File.AppendAllText(logPath, $"[{DateTime.Now}] MMF opened successfully\r\n");
 
                 InstallHooks();
-                File.AppendAllText(logPath, $"[{DateTime.Now}] Hooks installed successfully\r\n");
-
                 RemoteHooking.WakeUpProcess();
-                File.AppendAllText(logPath, $"[{DateTime.Now}] Process woken up\r\n");
 
                 // Keep alive until process exits
                 while (true) Thread.Sleep(500);
             }
             catch (Exception ex)
             {
-                File.AppendAllText(logPath, $"[{DateTime.Now}] ERROR: {ex.GetType().Name}: {ex.Message}\r\n{ex.StackTrace}\r\n");
+                File.AppendAllText(
+                    Path.Combine(Path.GetTempPath(), "TimeMocker.Hook.log"),
+                    $"[{DateTime.Now}] ERROR: {ex}\r\n");
             }
             finally
             {

csharp/TimeMocker.UI/Core/InjectionManager.cs

@@ -95,17 +95,28 @@ namespace TimeMocker.UI.Core
             }
         }
 
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern bool IsWow64Process2(
+            IntPtr hProcess,
+            out ushort pProcessMachine,
+            out ushort pNativeMachine);
+
         private static bool Is64BitProcess(Process process)
         {
             if (!Environment.Is64BitOperatingSystem)
                 return false;
 
-            bool isWow64;
-            if (!IsWow64Process(process.Handle, out isWow64))
-                return false;
+            ushort processMachine, nativeMachine;
+            if (IsWow64Process2(process.Handle, out processMachine, out nativeMachine))
+            {
+                // IMAGE_FILE_MACHINE_UNKNOWN (0) means it's a native 64-bit process
+                // IMAGE_FILE_MACHINE_I386 (0x014c) means it's 32-bit on 64-bit Windows
+                return processMachine == 0x0000; // 0 = native, not emulated
+            }
 
-            // If IsWow64Process returns false, it's a 64-bit process
-            // If it returns true, it's a 32-bit process running on 64-bit Windows
+            // Fallback
+            bool isWow64;
+            IsWow64Process(process.Handle, out isWow64);
             return !isWow64;
         }