so i think there´s no need of a example as you already found your answer...it seems tho that was right when i said the use of a Brush to draw the rectangles over the items is one of the ways to do it
btw in my case i never have such problems because i do not use Windows/Tools controls but instead i create my own
good job anyways
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Current development tools:
Visual C++.net, Visual C#.net
Visual VB.net, Visual Webdeveloper.net
Bloodshed Dev C++, Borland C++
Visual Basic 6