using System.Diagnostics;
using System.IO;
using Microsoft.Win32;
namespace GoContactSyncMod
{
internal static class OutlookRegistryUtils
{
public static string GetOutlookVersion()
{
var ret = string.Empty;
RegistryKey registryOutlookKey = null;
try
{
var outlookVersion = GetMajorVersion(GetOutlookPath());
ret = GetMajorVersionToString(outlookVersion);
var outlookKey = @"Software\Wow6432Node\Microsoft\Office\" + outlookVersion + @".0\Outlook";
registryOutlookKey = Registry.LocalMachine.OpenSubKey(outlookKey, false);
if (registryOutlookKey == null)
{
outlookKey = @"Software\Microsoft\Office\" + outlookVersion + @".0\Outlook";
registryOutlookKey = Registry.LocalMachine.OpenSubKey(outlookKey, false);
}
if (registryOutlookKey != null)
{
var bitness = registryOutlookKey.GetValue(@"Bitness", @" (unknown bitness)").ToString();
if (string.IsNullOrEmpty(bitness))
{
return ret + @" (unknown bitness)";
}
else
{
if (bitness == @"x86")
{
return ret + @" (32-bit)";
}
else if (bitness == @"x64")
{
return ret + @" (64-bit)";
}
else
{
return ret + @" (unknown)";
}
}
}
}
catch
{
}
finally
{
if (registryOutlookKey != null)
{
registryOutlookKey.Close();
}
}
return ret;
}
public static string GetPossibleErrorDiagnosis()
{
var outlookVersion = GetMajorVersion(GetOutlookPath());
var diagnosis = CheckOfficeRegistry(outlookVersion);
return "Could not connect to 'Microsoft Outlook'.\r\nYou have " + GetMajorVersionToString(outlookVersion) + " installed.\r\n" + diagnosis;
}
private static string CheckOfficeRegistry(int outlookVersion)
{
var registryVersion = ConvertMajorVersionToRegistryVersion(outlookVersion);
const string interfaceVersion = @"Interface\{00063001-0000-0000-C000-000000000046}\TypeLib";
var interfaceKey = Registry.ClassesRoot.OpenSubKey(interfaceVersion, false);
if (interfaceKey != null)
{
var typeLib = interfaceKey.GetValue(string.Empty).ToString();
if (typeLib != "{00062FFF-0000-0000-C000-000000000046}")
{
return "Your registry " + interfaceKey.ToString() + " points to TypeLib " + typeLib + " and should to {00062FFF-0000-0000-C000-000000000046}" + registryVersion + ".\r\nPlease read FAQ and fix your Office installation";
}
var versionObj = interfaceKey.GetValue("Version");
if (versionObj != null)
{
var version = versionObj.ToString();
if (version != registryVersion)
{
return "Your registry " + interfaceKey.ToString() + " points to version " + version + " and your Outlook is installed with version " + registryVersion + ".\r\nPlease read FAQ and fix your Office installation";
}
}
else
{
return "There is no Version key in registry " + interfaceKey.ToString() + ".\r\nPlease read FAQ and fix your Office installation";
}
}
else
{
return "Cannot open registry " + interfaceVersion + ".\r\nPlease read FAQ and fix your Office installation";
}
if (!string.IsNullOrEmpty(registryVersion))
{
var RegKey = @"TypeLib\{00062FFF-0000-0000-C000-000000000046}\" + registryVersion + @"\0\";
var mainKey = Registry.ClassesRoot.OpenSubKey(RegKey + "win32", false);
if (mainKey != null)
{
var path = mainKey.GetValue(string.Empty).ToString();
if (!File.Exists(path))
{
return "Your registry " + mainKey.ToString() + " points to file " + path + " and this file does not exist.\r\nPlease read FAQ and fix your Office installation";
}
}
mainKey = Registry.ClassesRoot.OpenSubKey(RegKey + "win64", false);
if (mainKey != null)
{
var path = mainKey.GetValue(string.Empty).ToString();
if (!File.Exists(path))
{
return "Your registry " + mainKey.ToString() + " points to file " + path + " and this file does not exist.\r\nPlease read FAQ and fix your Office installation";
}
}
mainKey = Registry.ClassesRoot.OpenSubKey(@"TypeLib\{00062FFF-0000-0000-C000-000000000046}\", false);
if (mainKey != null)
{
var keys = mainKey.GetSubKeyNames();
if (keys.Length > 1)
{
var allKeys = "";
for (var i = 0; i < keys.Length; i++)
{
var element = keys[i];
if (element != registryVersion)
{
allKeys = allKeys + element + ",";
}
}
allKeys = allKeys.Substring(0, allKeys.Length - 1);
return "Your registry " + mainKey.ToString() + " points to Office versions: " + allKeys + " other than you have installed: " + registryVersion + ".\r\nPlease read FAQ and fix your Office installation";
}
}
}
return "Cannot open registry.\r\nPlease read FAQ and fix your Office installation";
}
private static string GetOutlookPath()
{
const string regKey = @"Software\Microsoft\Windows\CurrentVersion\App Paths\outlook.exe";
var toReturn = string.Empty;
try
{
var mainKey = Registry.CurrentUser.OpenSubKey(regKey, false);
if (mainKey != null)
{
toReturn = mainKey.GetValue(string.Empty).ToString();
}
}
catch
{ }
if (string.IsNullOrEmpty(toReturn))
{
try
{
var mainKey = Registry.LocalMachine.OpenSubKey(regKey, false);
if (mainKey != null)
{
toReturn = mainKey.GetValue(string.Empty).ToString();
}
}
catch
{ }
}
return toReturn;
}
private static int GetMajorVersion(string path)
{
var toReturn = 0;
if (File.Exists(path))
{
try
{
toReturn = FileVersionInfo.GetVersionInfo(path).FileMajorPart;
}
catch
{ }
}
return toReturn;
}
private static string ConvertMajorVersionToRegistryVersion(int version)
{
switch (version)
{
case 9: return "9.0";
case 10: return "9.1";
case 11: return "9.2";
case 12: return "9.3";
case 14: return "9.4";
case 15: return "9.5";
case 16: return "9.6";
default: return string.Empty;
}
}
private static string GetMajorVersionToString(int version)
{
switch (version)
{
case 7: return "Office 97";
case 8: return "Office 98";
case 9: return "Office 2000";
case 10: return "Office XP";
case 11: return "Office 2003";
case 12: return "Office 2007";
case 14: return "Office 2010";
case 15: return "Office 2013";
case 16: return "Office 2016";
default: return "unknown Office version (" + version + ")";
}
}
}
}
