102 lines
5.3 KiB
C#
102 lines
5.3 KiB
C#
using System;
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using Common.Properties;
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using Microsoft.Win32;
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namespace Installer.Common
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{
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public static class PreviousInstall
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{
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public static string GetMostRecentlyInstalledSubKeyName(Version installingVersion, out string mostRecentlyInstalledLowerVersion)
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{
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mostRecentlyInstalledLowerVersion = string.Empty;
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var mostRecentlyInstalledSubKeyName = string.Empty;
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var rk = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64);
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var sk1 = rk.OpenSubKey(Settings.Default.RegistrySoftwareInstalledProducts);
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var maxProductVersion = new Version(0, 0, 0);
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if (sk1 == null) return string.Empty;
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foreach (var productSubKeyName in sk1.GetSubKeyNames())
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{
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var newKey = sk1.OpenSubKey(productSubKeyName);
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if (newKey == null) continue;
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var newSubKey = newKey.OpenSubKey(Settings.Default.RegistryInstallProperties);
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if (newSubKey == null) continue;
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var val = newSubKey.GetValue(Settings.Default.RegistryDisplayName, -1, RegistryValueOptions.None).ToString();
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if ((val == "-1") || (val != Settings.Default.RegistryDataPRO)) continue;
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var strThisVersion = newSubKey.GetValue(Settings.Default.RegistryDisplayVersion, -1, RegistryValueOptions.None).ToString();
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var thisVersion = new Version(strThisVersion);
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if (thisVersion.IsGreaterThan(maxProductVersion) && thisVersion.IsLessThan(installingVersion))
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{
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maxProductVersion = thisVersion;
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mostRecentlyInstalledLowerVersion = thisVersion.ToString();
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mostRecentlyInstalledSubKeyName = productSubKeyName;
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}
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}
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return mostRecentlyInstalledSubKeyName;
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}
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public static bool IsGreaterThan(this Version leftString, Version rightString)
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{
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return leftString.CompareTo(rightString) > 0;
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}
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public static bool IsLessThan(this Version leftString, Version rightString)
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{
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return leftString.CompareTo(rightString) < 0;
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}
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public static string GetMostRecentlyInstalledPath(string mostRecentlyInstalledSubKeyName)
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{
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var log = new System.Diagnostics.EventLog();
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log.Source = "DataPROInstaller";
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var mostRecentlyInstalledPath = string.Empty;
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var rk = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64);
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//Look first in Products
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var sk1 = rk.OpenSubKey(Settings.Default.RegistrySoftwareInstalledProducts);
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if (sk1 != null)
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{
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log.WriteEntry("Looking in Products");
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foreach (var productSubKeyName in sk1.GetSubKeyNames())
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{
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if (productSubKeyName != mostRecentlyInstalledSubKeyName) continue;
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var newKey = sk1.OpenSubKey(productSubKeyName);
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if (newKey == null) continue;
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newKey = newKey.OpenSubKey(Settings.Default.RegistryInstallProperties);
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if (newKey == null) continue;
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var val = newKey.GetValue(Settings.Default.RegistryInstallLocation, -1, RegistryValueOptions.None).ToString();
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if ((val == "-1") || (string.IsNullOrWhiteSpace(val))) continue;
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mostRecentlyInstalledPath = val;
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if (mostRecentlyInstalledPath.Contains(Settings.Default.DTSSuite))
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{
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mostRecentlyInstalledPath += Settings.Default.RegistryDataPRO + "\\";
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}
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log.WriteEntry("GetMostRecentlyInstalledPath returned " + mostRecentlyInstalledPath + " from Products");
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return mostRecentlyInstalledPath;
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}
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}
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//Look in Components
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log.WriteEntry("Looking in Components");
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sk1 = rk.OpenSubKey(Settings.Default.RegistrySoftwareInstalledComponents);
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if (sk1 == null) return string.Empty;
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foreach (var productSubKeyName in sk1.GetSubKeyNames())
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{
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var newKey = sk1.OpenSubKey(productSubKeyName);
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if (newKey == null) continue;
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var val = newKey.GetValue(mostRecentlyInstalledSubKeyName, -1, RegistryValueOptions.None).ToString();
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if ((val == "-1") || (!val.EndsWith(Settings.Default.RegistryDataPROExeConfig))) continue;
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mostRecentlyInstalledPath = val.Substring(0, val.Length - Settings.Default.RegistryDataPROExeConfig.Length);
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if (mostRecentlyInstalledPath.Contains(Settings.Default.DTSSuite))
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{
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mostRecentlyInstalledPath += Settings.Default.RegistryDataPRO + "\\";
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}
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log.WriteEntry("GetMostRecentlyInstalledPath returned " + mostRecentlyInstalledPath + " from Components");
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return mostRecentlyInstalledPath;
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}
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log.WriteEntry("GetMostRecentlyInstalledPath returned " + mostRecentlyInstalledPath);
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return mostRecentlyInstalledPath;
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}
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}
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}
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