public static void SaveToFile(string path, MyLicence licence)
{
using (MemoryStream memoryStream = new MemoryStream())
{
new XmlSerializer(typeof(MyLicence)).Serialize((Stream)memoryStream, (object)licence);
byte[] bytes = ProtectedData.Protect(memoryStream.ToArray(), (byte[])null, DataProtectionScope.LocalMachine);
File.WriteAllBytes(path, bytes);
}
}
public MyLicence GetLicence()
{
string path = Path.Combine(this.BasePath, "licence.dat");
MyLicence myLicence = (MyLicence)null;
if (File.Exists(path))
{
myLicence = MyLicence.LoadFromFile(path);
}
return(myLicence);
}
public void SetLicence(MyLicence lic)
{
string path = Path.Combine(this.BasePath, "licence.dat");
if (lic == null)
{
File.Delete(path);
}
else
{
MyLicence.SaveToFile(path, lic);
}
}
public static MyLicence LoadFromFile(string path)
{
if (!File.Exists(path))
{
return((MyLicence)null);
}
try
{
byte[] buffer = ProtectedData.Unprotect(File.ReadAllBytes(path), (byte[])null, DataProtectionScope.LocalMachine);
XmlSerializer xmlSerializer = new XmlSerializer(typeof(MyLicence));
MemoryStream memoryStream1 = new MemoryStream(buffer);
MemoryStream memoryStream2 = memoryStream1;
MyLicence myLicence = xmlSerializer.Deserialize((Stream)memoryStream2) as MyLicence;
memoryStream1.Close();
return(myLicence);
}
catch (Exception ex)
{
return((MyLicence)null);
}
}
