public override License GetLicense(LicenseContext context, Type type, object instance, bool allowExceptions)
{
MyLicense license = null;
string cpuid = GetCpuID();
cpuid = DESLicense.Encrypt(cpuid);//加密
if (context != null)
{
if (context.UsageMode == LicenseUsageMode.Runtime)
{
String savedLicenseKey = context.GetSavedLicenseKey(type, null);
if (cpuid.Equals(savedLicenseKey))
{
return(new MyLicense(this, cpuid));
}
}
if (license != null)
{
return(license);
}
// 打开License文件 'MyLicense.dat'
if (Validation(cpuid))
{
license = new MyLicense(this, cpuid);
}
if (license != null)
{
context.SetSavedLicenseKey(type, cpuid);
}
}
if (license == null)
{
//System.Windows.Forms.MessageBox.Show("!!!尚未注册!!!");
throw new LicenseException(type, instance, "Your license is invalid");;
//return new MyLicense(this,"no");
}
return(license);
}
public static bool Validation(string cpuid = null, string licFile = null)
{
if (string.IsNullOrWhiteSpace(cpuid))
{
cpuid = GetCpuID();
cpuid = DESLicense.Encrypt(cpuid);//加密
}
if (string.IsNullOrWhiteSpace(licFile))
{
licFile = LicenseFullPath;
}
if (File.Exists(licFile))
{
var f = Serialize.Read <ChemLicense>(licFile);
if (f != null && cpuid.Equals(f.CpuID))
{
return(true);
}
}
return(false);
}