Assigndirectory/fileaccessrightsto'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;
 }

public static bool IsAdministrator()
 {
 var identity = WindowsIdentity.GetCurrent( );
 var principal = new WindowsPrincipal(identity);
 return principal.IsInRole(WindowsBuiltInRole.Administrator);
 
 }