private void button2_Click_1(object sender, EventArgs e)
{
string data = string.Empty;
Encrypt("forever", ref data);
RegistryOperate.WriteSubKey("zdsoftware", "permission", data);
}
private void button1_Click_2(object sender, EventArgs e)
{
try
{
string value = string.Empty;
RegistryOperate.ReadSubKey("zdsoftware", "allow", ref value);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private string GetPermission()
{
string permission = string.Empty;
RegistryOperate.ReadSubKey("zdsoftware", "permission", ref permission);
if (!string.IsNullOrEmpty(permission))
{
string p = string.Empty;
Decrypt(permission, ref p);
permission = p;
}
return(permission);
}
private int GetRunTime()
{
string runtime = string.Empty;
RegistryOperate.ReadSubKey("zdsoftware", "runtime", ref runtime);
if (!string.IsNullOrEmpty(runtime))
{
string p = string.Empty;
Decrypt(runtime, ref p);
runtime = p;
return(int.Parse(runtime));
}
return(0);
}
private void timer1_Tick(object sender, EventArgs e)
{
int runtime = GetRunTime();
if (runtime >= RuntimeLimit)
{
timer1.Enabled = false;
MessageBox.Show("产品已过试用期，请联系供应商进行处理", "提示");
Application.Exit();
}
runtime += 1;
string t = string.Empty;
Encrypt(runtime.ToString(), ref t);
RegistryOperate.WriteSubKey("zdsoftware", "runtime", t);
}