private static Dictionary <string, string> ParseWinNT51_52Keys()
{
// With NT 5.1 and 5.2 (XP and Server 2003/XP 64bit) Windows uninstalled updates by the
// SOFTWARE\Microsoft\Updates registry key. Then using the "UninstallCommand" key within.
// Registry Keys used to uninstall updates. First is default; Second is for 32bit apps on 64bit Windows.
var uninstallKeys = new List <string>();
uninstallKeys.Add(@"SOFTWARE\Microsoft\Updates\Windows XP");
var uninstallDict = new Dictionary <string, string>();
// Ugly iteration of the registry keys.
foreach (string key in uninstallKeys)
{
using (RegistryKey rootXpKey = Registry.LocalMachine.OpenSubKey(key))
{
if (rootXpKey != null)
{
foreach (var subName in rootXpKey.GetSubKeyNames())
{
using (var subKey = rootXpKey.OpenSubKey(subName))
{
if (subKey != null)
{
foreach (var kbName in subKey.GetSubKeyNames())
{
using (var kbKey = subKey.OpenSubKey(kbName))
{
if (kbKey != null && ((kbKey.GetValue("Description") != null) && (kbKey.GetValue("UninstallCommand") != null)))
{
var kbString = WindowsUpdates.GetKbString(kbKey.GetValue("Description").ToString());
var uninstallString = kbKey.GetValue("UninstallCommand").ToString();
if (!uninstallDict.ContainsKey(kbString))
{
uninstallDict.Add(kbString, uninstallString);
}
}
}
}
}
}
}
}
}
}
return(uninstallDict);
}
private Dictionary <string, string> ParseUninstallKeys()
{
// This logic is only reliable for packages/applications that install system wide "UninstallString" keys in the
// Windows registry (aka "the pit of horse shit").
// Registry Keys used to uninstall apps. First is default; Second is for 32bit apps on 64bit Windows.
var uninstallKeys = new List <string>();
uninstallKeys.Add(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall");
if (_win64)
{
uninstallKeys.Add(@"SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall");
}
var programDict = new Dictionary <string, string>();
foreach (var key in uninstallKeys)
{
using (var rKey = Registry.LocalMachine.OpenSubKey(key))
{
if (rKey != null)
{
foreach (var skName in rKey.GetSubKeyNames())
{
using (var sk = rKey.OpenSubKey(skName))
{
if (sk != null && ((sk.GetValue("DisplayName") != null) && (sk.GetValue("UninstallString") != null)))
{
var kbString = WindowsUpdates.GetKbString(sk.GetValue("DisplayName").ToString());
var uninstallString = sk.GetValue("UninstallString").ToString();
if (!programDict.ContainsKey(kbString))
{
programDict.Add(kbString, uninstallString);
}
}
}
}
}
}
}
return(programDict);
}
