https://supportcenter.devexpress.com/ticket/details/cb44906/xtraform-s-border-is-not-drawn-when-the-form-is-maximized
XtraForm's border is not drawn when the form is maximized | DevExpress Support
Jun 30, 2007 - Hi, I've found an error when the maximum size of the form is set. If you maximize the form than the border is not drawn as shown in the atta
is not