private static TwinCATSubSystemType GetTwinCATInstallationType(out string installationPath, out Version version)
{
installationPath = null;
TwinCATSubSystemType none = TwinCATSubSystemType.None;
string path = null;
if (!TryGetTcRouterImagePath(out path))
{
throw new ApplicationException("TwinCAT not installed!");
}
string str2 = null;
string str3 = null;
Version version2 = null;
Version version3 = null;
TryGetTwinCAT2Path(out str2, out version2);
TryGetTwinCAT3Path(out str3, out version3);
if ((str2 != null) && path.StartsWith(str2, StringComparison.OrdinalIgnoreCase))
{
installationPath = str2;
version = version2;
none = TwinCATSubSystemType.Tc2;
}
else
{
if ((str3 == null) || !path.StartsWith(str3, StringComparison.OrdinalIgnoreCase))
{
throw new ApplicationException("TwinCAT is not installed!");
}
installationPath = str3;
version = version3;
none = TwinCATSubSystemType.Tc3;
}
return(none);
}
static TcReg()
{
try
{
_tcInstallation = GetTwinCATInstallationType(out _tcInstallationPath, out _tcVersion);
}
catch (Exception)
{
_tcInstallation = TwinCATSubSystemType.None;
}
}
