I am facing problem regarding graphical user interface. I am using text box for editing files. I want to show the line numbers and graphical breakpoint​s along with text box. Can anybody help me in this? Thanks.

I am facing problem regarding graphical user interface. I am using text box for editing files. I want to show the line numbers and graphical breakpoints along with text box. Can anybody help me in this? Thanks.

Thanks for you reply.
But actually I don't want to show the \ (backslashes) to the user in my text box. 
Ok let me elaborate this problem little more. 
I want to show my text box as it is in normal editors e.g. In Matlab editor. There is a text box and on left side the gray bar shows the line numbers corresponding to the text. Further more i want that the user should be able to click on any line number to mark specific line as breakpoint (red circle or any graphical indication for mark). 
Regards,
Waqas Ahmad

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