c# 开机启动项的小例子

　　//路径, 添加开机启动/删除开机启动

        public static void setautorun(string filename, bool isautorun)
        {
            registrykey reg = null;
            try
            {
                if (!system.io.file.exists(filename))
                    throw new exception("该文件不存在!");
                string name = filename.substring(filename.lastindexof(@"\") + 1);
                reg = registry.localmachine.opensubkey(@"software\microsoft\windows\currentversion\run", true);
                if (reg == null)
                    reg = registry.localmachine.createsubkey(@"software\microsoft\windows\currentversion\run");
                if (isautorun)
                    reg.setvalue(name, filename);
                else
                    reg.setvalue(name, false);
            }
            catch (exception ex)
            {
                throw new exception(ex.tostring());
            }
            finally
            {
                if (reg != null)
                    reg.close();
            }

        }