你好，

试试这个链接

参考：使用C＃从注册表中读取，写入和删除



谢谢

Hello ,
Try this link
Refer:Read, write and delete from registry with C#

thanks

http://msdn.microsoft.com/en-us/library/microsoft.win32 .registrykey.close（v = vs.110）.aspx [ ^ ]



关闭密钥并将其刷新到dis k如果其内容已被修改。



Alan。

http://msdn.microsoft.com/en-us/library/microsoft.win32.registrykey.close(v=vs.110).aspx[^]

Closes the key and flushes it to disk if its contents have been modified.

Alan.

RegistryKey add = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
           add.SetValue("nameprogram", "\"" + Application.ExecutablePath.ToString() + "\"");