Assign directory/file access rights to 'everyone&amp

在win7 UAC下如果user1创建了一个文件，那么当user2登陆后默认对这个文件是无权编辑的。 解决方案就是user1在创建的时候把这个文件的权限给everyone;或者关掉UAC，把制定文件夹或者文件的权利给everyone 代码如下 引用 using System.Security.AccessControl;

在win7 UAC下如果user1创建了一个文件，那么当user2登陆后默认对这个文件是无权编辑的。

解决方案就是user1在创建的时候把这个文件的权限给everyone;或者关掉UAC，把制定文件夹或者文件的权利给everyone

代码如下

引用

using System.Security.AccessControl;using System.Security.Principal;using System.Security;

两个函数

 public static bool SetDirectoryAccessControl(string path)        {            try            {                DirectorySecurity sec = Directory.GetAccessControl(path);                SecurityIdentifier everyone = new SecurityIdentifier(WellKnownSidType.WorldSid, null);                sec.AddAccessRule(new FileSystemAccessRule(everyone, FileSystemRights.Modify | FileSystemRights.Synchronize, InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));                Directory.SetAccessControl(path, sec);                return true;            }            catch (Exception exp)            {                // loggings                MessageBox.Show("error in set directory access: " + exp.Message);            }            return false;        }        public static bool SetFileAccessControl(string filename)        {            try            {                FileSecurity sec = File.GetAccessControl(filename);                SecurityIdentifier everyone = new SecurityIdentifier(WellKnownSidType.WorldSid, null);                sec.AddAccessRule(new FileSystemAccessRule(everyone, FileSystemRights.Modify | FileSystemRights.Synchronize, InheritanceFlags.None, PropagationFlags.NoPropagateInherit, AccessControlType.Allow));                File.SetAccessControl(filename, sec);                return true;            }            catch (Exception exp)            {                // loggings                MessageBox.Show("error in setting file access: " + exp.Message );            }            return false;        }

如何判断用户是否是管理员

public static bool IsAdministrator()        {            var identi<strong>本文来源gao@daima#com搞(%代@#码网</strong>ty = WindowsIdentity.GetCurrent( );            var principal = new WindowsPrincipal(identity);            return principal.IsInRole(WindowsBuiltInRole.Administrator);                    }

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