C # file and folder operation statements (delete, create, move, and check for existence)

C # file operation statement:

             //  Check whether the file exists File. exists ( @"  C: \ My Folder \ filename  "  );  Try {File. Delete ( @"  C: \ jihua.cnblogs.com.txt  "  );}  Catch  {MessageBox. Show (  " Deletion failed  " , "  Jihua.cnblogs.com  "  );}  Try {File. Create ( @"  C: \ jihua.cnblogs.com.txt  "  );}  Catch  {MessageBox. Show (  "  Creation failed " , "  Jihua.cnblogs.com  "  );}  Try {File. Move ( @"  C: \ jihua.cnblogs.com.txt  " , @"  C: \ new.jihua.cnblogs.com.txt  "  );}  Catch {MessageBox. Show (  "  Failed to move  " , "  Jihua.cnblogs.com  "  );} 

 

 

C # folder operation statement:

             Bool Exists = directory. exists ( @"  C: \ my folder  " ); //  Check whether the folder exists                         Try {Directory. Delete ( @"  C: \ my folder  "  );}  Catch  {MessageBox. Show (  "  Deletion failed  " , "  Jihua.cnblogs.com  "  );}  Try {Directory. createdirectory (@"  C: \ my folder  "  );}  Catch  {MessageBox. Show (  "  Creation failed  " , "  Jihua.cnblogs.com  "  );}  Try {Directory. Move ( @" C: \ my folder  " , @"  D: \ Folder  "  );}  Catch  {MessageBox. Show (  "  Failed to move  " , "  Jihua.cnblogs.com  "  );} 

 

remember to reference the system. Io namespace