Hey. I am working on a Fortran 77 code in Visual Studio 2015, and when I type in a Blank behind the 72th column (stack overflow) a white field appears, as illustrated in the image below.
How can I disable this function?
Thanks for your help.
That is an indicator that you're past the end of the statement field - in fixed form source, characters beyond 72 are ignored. You can change the appearance through Tools > Options > Environment > Fonts and Colors > Fortran Beyond End of Line.
Sorry - I should have said "Fortran Sequence Number" In the Dark theme, the background of this field is white (or light gray). The general background isn't full black, so you'll have to play a bit with the color value.