Can I read files inside a directory without using OpenFileDialog?

Can I read files inside a directory without using OpenFileDialog?

References

Reference NO 1

http://stackoverflow.com/questions/15203943/can-i-read-files-inside-a-directory-without-using-openfiledialog

Reference NO 2

http://stackoverflow.com/questions/10391709/how-can-i-get-a-folder-or-file-path-through-a-single-winform-dialog

Reference NO 3

http://www.daniweb.com/software-development/csharp/threads/300739/read-files-from-a-folder-without-using-openfile-dialog

Reference NO 4

http://www.dreamincode.net/forums/topic/159563-open-a-file-without-using-openfiledialog/

Reference NO 5

http://www.codeproject.com/Questions/454217/How-we-can-get-directory-path-into-textbox-text-th

Reference NO 6

http://social.msdn.microsoft.com/Forums/vstudio/en-US/df352ad8-39d0-4a10-af06-86e6fdf27c20/action?threadDisplayName=openfiledialog-get-chosen-filepath-without-filename

Reference NO 7

http://www.mathworks.com/help/matlab/ref/uigetfile.html

Reference NO 8

http://ubuntuforums.org/showthread.php?t=1218592