I want to draw a border around a group of cells. There should not be any border in between the group, only around.
Like highlighting a group. How can I achieve this?
And when i draw a border around a cell, like shown in this post
, the border to the right seem like its only one pixel wide, and the rest is 2 px.How can I avoid this.
Please take a look at the attached picture. I also painted an example of the border around a group that i want to make possible in code :)