电脑手动设置了IP后有两个IP地址如何处理
1 . Win+ R 打开 cmd
2 . netsh winsock reset catalog
3 . netsh int ip reset reset. log
4 . 重启
5 . 手动配置IP地址
6 . 查看IP状态时,就不会再出现自动分配的IP
C# 获取当前登录的用户及组
using System. Security. Principal ; var a = "" ; var b = "" ; var c = new List< string > ( ) ; WindowsIdentity current = WindowsIdentity. GetCurrent ( ) ; WindowsPrincipal principal = new WindowsPrincipal ( current) ; string username = current. Name; if ( username. Contains ( "\\" ) ) { string [ ] parts = username. Split ( '\\' ) ; a = parts[ 0 ] ; b = parts[ 1 ] ; } else { } foreach ( IdentityReference group in current. Groups) { try { NTAccount ntAccount = ( NTAccount) group . Translate ( typeof ( NTAccount ) ) ; if ( ntAccount. Value. Contains ( "\\" ) ) { string [ ] groupParts = ntAccount. Value. Split ( '\\' ) ; string domainOfGroup = groupParts[ 0 ] ; string groupName = groupParts[ 1 ] ; if ( a == domainOfGroup) { var d = vs. Where ( x => groupName. Contains ( x) ) . ToList ( ) ; if ( d. Count ( ) > 0 ) { c. Add ( d[ 0 ] ) ; } } } else { } } catch ( Exception ) { c = new List< string > ( ) ; } }