Update release.yml

csharp/.github/workflows/release.yml

@@ -21,13 +21,27 @@ jobs:
         with:
           dotnet-version: 10.x
 
-      - name: Build Solution
-        run: dotnet build TimeMocker.sln -c Release -p:Platform=x64
+      - name: Build Hook DLL (x86)
+        run: dotnet build TimeMocker.Hook\TimeMocker.Hook.csproj -c Release -p:Platform=x86
+
+      - name: Build Hook DLL (x64)
+        run: dotnet build TimeMocker.Hook\TimeMocker.Hook.csproj -c Release -p:Platform=x64
+
+      - name: Build UI
+        run: dotnet build TimeMocker.UI\TimeMocker.UI.csproj -c Release -p:Platform=x64
+
+      - name: Verify Hook DLL sizes
+        run: |
+          $x64 = (Get-Item "TimeMocker.Hook\bin\x64\Release\net48\TimeMocker.Hook.dll").Length
+          $x86 = (Get-Item "TimeMocker.Hook\bin\x86\Release\net48\TimeMocker.Hook.dll").Length
+          Write-Host "x64 hook DLL: $x64 bytes"
+          Write-Host "x86 hook DLL: $x86 bytes"
+          if ($x64 -lt 20000) { throw "x64 hook DLL too small - build failed silently" }
+          if ($x86 -lt 20000) { throw "x86 hook DLL too small - build failed silently" }
 
       - name: Prepare Release Artifacts
         run: |
           mkdir release
-          # Copy all DLLs from the build output
           copy TimeMocker.UI\bin\x64\Release\net48\*.dll release\
           copy TimeMocker.UI\bin\x64\Release\net48\*.exe release\
           copy TimeMocker.UI\bin\x64\Release\net48\*.config release\

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;
         }