32?? .NET ???????? 64?? ????? ??? ???

64?? Windows ????? ???? 32?? ???????? 64?? ?????? ?????? ?? ?? ??? ?????. ??? .NET Framework 4.x ?? ????? ?? ????? ?????.

64?? ????? ???? ?? RegistryView ??

RegistryView ???? 32??? 64?? ????? ???? ???? ?????. ?? ??? ??? ????.

// Access the 64-bit registry
using Microsoft.Win32;

RegistryKey localKey64 = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64);
RegistryKey sqlServerKey64 = localKey64.OpenSubKey(@"SOFTWARE\Microsoft\Microsoft SQL Server\Instance Names\SQL");

// Access the 32-bit registry
RegistryKey localKey32 = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32);
RegistryKey sqlServerKey32 = localKey32.OpenSubKey(@"SOFTWARE\Microsoft\Microsoft SQL Server\Instance Names\SQL");

?? ????? ? ??

"Instance NamesSQL" ? ??? "SQLEXPRESS"? ?? ?? ?? ????? ??? ?????.

string sqlExpressKeyName = (string)sqlServerKey64.GetValue("SQLEXPRESS");

???? ? ??: 32?? ? 64?? ?? ??

32?? ? 64?? ????? ?? ??? ???? ??? ????? ??? ??? ?????.

using System.Linq;

IEnumerable<string> GetAllRegValueNames(string regPath)
{
    var reg64 = GetRegValueNames(RegistryView.Registry64, regPath);
    var reg32 = GetRegValueNames(RegistryView.Registry32, regPath);
    var result = (reg64 != null && reg32 != null) ? reg64.Union(reg32) : (reg64 ?? reg32);
    return (result ?? new List<string>().AsEnumerable()).OrderBy(x => x);
}

??? GetRegValueNames? ??? ??? ? ??? ???? ??? ??(???? ??? ?? ???)???. regPath? ????? ??? ?????.

?? ?:

var sqlRegPath = @"SOFTWARE\Microsoft\Microsoft SQL Server\Instance Names\SQL";
foreach (var keyName in GetAllRegValueNames(sqlRegPath))
{
    Console.WriteLine(keyName);
}
```  This iterates through all found keys, regardless of whether they reside in the 32-bit or 64-bit registry hive.

? ??? 32?? .NET ???????? 64?? ????? ?? ????? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!