Copy Custome Folders (Without duplication) To New Folder

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C#

Hi Dear Teachers

I have 100 folders in this directory (@"D:\MyAlbum\...")
That each directory Contain *.jpg file

exp :

@"D:\MyAlbum\1001\exp1.jpg
@"D:\MyAlbum\1002\exp2.jpg
@"D:\MyAlbum\1003\exp3.jpg
and....

I want just copy the new folder that was added in the course <b>to</b> another Folder

exp : copy (@"D:\MyAlbum\1001",(@"f:\MyAlbum\1001"),false)

but before copied old folder Manually In the another Folder

i want select the new folder that was added in the course by ??? then copy to another folder
Without duplication;
/////
Thanks to all sincerely