// Create SubKey
Registry.LocalMachine.CreateSubKey(@"Software\Sinpin", RegistryKeyPermissionCheck.ReadWriteSubTree);
//Create Key and Set Value
RegistryKey reg = Registry.LocalMachine.OpenSubKey(@"Software\Sinpin", true);
reg.SetValue("DWord", "1", RegistryValueKind.DWord);
reg.SetValue("ExpandString", "1", RegistryValueKind.ExpandString);
reg.SetValue("QWord", "1", RegistryValueKind.QWord);
reg.SetValue("String", "1", RegistryValueKind.String);
reg.SetValue("Unknown", "1", RegistryValueKind.Unknown);
// Delete Key
reg.DeleteValue("DWOrd");
// Delete SubKey
Registry.LocalMachine.DeleteSubKey(@"Software\Sinpin");
// Read Key Value
string val = reg.GetValue("QWord").ToString();
// Retrieve All Keys
foreach (string s in reg.GetValueNames())
MessageBox.Show(s);