How to filter files with NO extension in c#

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I tried OpenFileDialog1.Filter = "Setting Hex files (*.)|*.";
but it showing no files.I want to show files having no extensions during Openfiledialog browser,
please tell me having ant idea.

Posted 17-Apr-13 20:19pm

kalaivanan from Bangalore, India

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OriginalGriff · Answer 1 · 2013-04-17T20:50:00

It's not possible with an unaltered OpenFileDialog box - it expects an extension, and windows removes the "." from files end with it, so "*." will never work.

You could probably do it, if you can hook the standard dialog (see here: http://msdn.microsoft.com/en-us/library/ms646960(VS.85).aspx[^], about 1/3 the way down, under filters) but that's a lot of work in C# for a small feature!

Is there any good reason why your Hex files have no extension? It would be a lot easier to give them a name like *.MyAppHex" or similar then filter for them.

If you really do have to do this, I would be tempted to not use the standard box at all, but re-create it's features myself - it's probably a lot easier than implementing the hooking on a standard dialog!