EyeLezz

hi everyone
Im new with C# and programming, and I don't know that mutch. To get to the problem, here is what I need to do:

I wanna a simple program that load a txt file into a listBox.
That's no problem.. but when I want to add a "find" and a "replace" button how do i do? some one plz help me with this simple program. Or pass me a source code to a text edior with find and replace tools? And I'll be very greatfull for the rest of my life

Regards Johan