Changing color of cursor in code::Blocks - codeblocks

I have changed my codeblocks' background to dark and cursor color also i am changing from Settings->Editor->margins and carets..
But the color of cursor is changing back to black after some time (mostly when '[' ']' got autocompleted), but this is not consistent that when it will go back to black..
Can someone please suggest that what setting i am missing, or is it a bug in codeblocks ?

Having problem with color of cursor with black background see how to
change the color of cursor
Settings->Editor->Margins and Caret
after going to Margins and Caret their will be color option click.Now also having doubts
[] copy and paste this is my pic then u will understand

This isn't s bug as of now in codeblocks 17.12 which is the latest version at the time of writing this answer. For your problem, well you don't have to disable autocomplete instead go to settings>editor>syntax highlighting. Select the matching braces higlight option and select the color you want for fore ground and background.
For installing themes refer this article.

I also had the same issue and could not find any proper fix but figured out a hack. Instead of using line use block in the style and it will work fine. This way you do not have to disable autocompletion of braces as well :)

for changing cursor color need: Go to setting => Editor => margin and caret => caret
part => color , so we can change cursor color of this part to your favorite color.

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Image
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http://i.stack.imgur.com/KOipL.png

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Your screenshot looks normal to me.
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