private IRegistryKey GetRCoreRegistryKeyWin32(StringBuilder logger)
{
CheckPlatformWin32();
IRegistryKey rCore = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\R-core");
if (rCore == null || rCore.GetRealKey() is null)
{
doLogSetEnvVarInfo(@"Local machine SOFTWARE\R-core not found - trying current user", logger);
rCore = Registry.CurrentUser.OpenSubKey(@"SOFTWARE\R-core");
if (rCore == null || rCore.GetRealKey() is null)
{
throw new ApplicationException("Windows Registry key 'SOFTWARE\\R-core' not found in HKEY_LOCAL_MACHINE nor HKEY_CURRENT_USER");
}
}
doFoundWinRegKey(rCore, logger);
bool is64Bit = Environment.Is64BitProcess;
var subKey = is64Bit ? "R64" : "R";
var r = rCore.OpenSubKey(subKey);
if (r == null)
{
throw new ApplicationException(string.Format(
"Windows Registry sub-key '{0}' of key '{1}' was not found", subKey, rCore.ToString()));
}
doFoundWinRegKey(rCore, logger);
return(r);
}
