Hello! It is possible to show rectangular boxes around your controls on a windows form without using graphics or paint events. I use labels with a certain lenght and 2 pixel width, either vertical or horizontal. It is needed to set the text property to nothing, the autosize to false, the borderstyle to nothing and the background to the color you want. Here is an example: That is it! I hope someone will find this useful. regards, ricardosms.