vb.net - What the Green band in code editor Visual Studio 2013 means? -

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i'm reading vb.net code file has green band beside line code. see snapshot:

enter image description here

i add method asynchronous method (its signature shown in snapshot).

is warning suppression?

thanks in advance help!

p.s.: important point returnvalue y synchronous sub.

the bands tell information current session in visual studio.

when edit lines, you'll yellow band shown next them.

when save file, band turns green.

the bands not retained if close , re-open file.

so screenshot, can tell you've edited line 329 (maybe added it) during current session , that change has been saved disk.


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