Initial release v1.01 — InstaSoft Office Tool

Office deployment wizard for InstaSoft customers:
- Install Office 2019/2021/2024 (Standard, Professional Plus, Home & Business)
- Auto-download ODT from Microsoft, generate config XML, run setup
- Remove existing Office installations (C2R + MSI)
- License troubleshooting via ospp.vbs (dstatus, unpkey)
- Fluent Design UI (WPF .NET Framework 4.8, Win7+ compatible)
- Hungarian interface, multi-language Office installation
- Product key input with auto-activation support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Services/OfficeDetector.cs

@@ -0,0 +1,104 @@
+using System.Collections.Generic;
+using InstaSoftOfficeTool.Models;
+using Microsoft.Win32;
+
+namespace InstaSoftOfficeTool.Services
+{
+    public static class OfficeDetector
+    {
+        public static List<InstalledOffice> Detect()
+        {
+            var results = new List<InstalledOffice>();
+
+            // Check Click-to-Run
+            DetectClickToRun(results);
+
+            // Check MSI-based installs
+            DetectMsi(results);
+
+            return results;
+        }
+
+        private static void DetectClickToRun(List<InstalledOffice> results)
+        {
+            try
+            {
+                using (var key = Registry.LocalMachine.OpenSubKey(
+                    @"SOFTWARE\Microsoft\Office\ClickToRun\Configuration"))
+                {
+                    if (key == null) return;
+
+                    var productIds = key.GetValue("ProductReleaseIds") as string;
+                    var versionToReport = key.GetValue("VersionToReport") as string;
+
+                    if (!string.IsNullOrEmpty(productIds))
+                    {
+                        results.Add(new InstalledOffice
+                        {
+                            DisplayName = "Microsoft Office Click-to-Run (" + productIds + ")",
+                            Version = versionToReport ?? "",
+                            IsClickToRun = true,
+                            IsSelected = true
+                        });
+                    }
+                }
+            }
+            catch { }
+        }
+
+        private static void DetectMsi(List<InstalledOffice> results)
+        {
+            var uninstallPaths = new[]
+            {
+                @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall",
+                @"SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall"
+            };
+
+            foreach (var path in uninstallPaths)
+            {
+                try
+                {
+                    using (var key = Registry.LocalMachine.OpenSubKey(path))
+                    {
+                        if (key == null) continue;
+
+                        foreach (var subKeyName in key.GetSubKeyNames())
+                        {
+                            using (var subKey = key.OpenSubKey(subKeyName))
+                            {
+                                if (subKey == null) continue;
+
+                                var displayName = subKey.GetValue("DisplayName") as string;
+                                var publisher = subKey.GetValue("Publisher") as string;
+
+                                if (displayName != null &&
+                                    publisher != null &&
+                                    publisher.Contains("Microsoft") &&
+                                    (displayName.Contains("Microsoft Office") ||
+                                     displayName.Contains("Microsoft 365")))
+                                {
+                                    var version = subKey.GetValue("DisplayVersion") as string ?? "";
+
+                                    // Skip Click-to-Run updater entries
+                                    if (displayName.Contains("Click-to-Run") &&
+                                        !displayName.Contains("Microsoft Office"))
+                                        continue;
+
+                                    results.Add(new InstalledOffice
+                                    {
+                                        DisplayName = displayName,
+                                        Version = version,
+                                        ProductCode = subKeyName,
+                                        IsClickToRun = false,
+                                        IsSelected = true
+                                    });
+                                }
+                            }
+                        }
+                    }
+                }
+                catch { }
+            }
+        }
+    }
+}