How To Color Spacific Char Charters In Rich Text Box?

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Hello im working on a program that displays a gui with all the keyboard keys and a rich text box in C# windoes forms,
the user is supposed to input a text to the rich text box and then press with the mouse (for exmple) the A button
and all the a the a chars will be in green color,but i dont know how can i color those specific car charcters.

any help would be more than appreciated!

Posted 18-Jul-12 14:07pm

david415

Updated 18-Jul-12 14:41pm

Wes Aday

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Trak4Net · Answer 1 · 2012-07-18T14:54:00

You will need to learn some RTF specifications. Then iterate the input text and set opening and closing rtf tags to set the color. Also, keep in mind that if you have added the rtf tags you will need to verify if you have already added a tag so you aren't adding the same tags around specific characters multiple times.

http://msdn.microsoft.com/en-us/library/aa140277(v=office.10)[^]

If there is another way I am not aware of it. I haven't used Richtext box in a couple years so maybe there is another way???