https://supportcenter.devexpress.com/ticket/details/t208487/xtraverticalgrid-nullreferenceexception-on-an-attempt-to-expand-the-size-property-of-the
XtraVerticalGrid - NullReferenceException on an attempt to expand the Size property of the XRLabel...
Feb 13, 2015 - Hi there, After downloading Hotfix 14.2.4.15042 we have a new problem when trying to expand a section of the properties dialog. See the end
an attempt