You can use the PFPanel.NET as gradient panel and as groupBox with different color-syles. To switch the panel
into a groupbox just set the property GroupText to the text you want to display as headline of the panel.
The radius of each corner, the width of the border, the gradient color and angle of the gradient can be defined by properties of the panel:
The control ExPanel can be used for panels with header in Office2003- and Office2007-sytle. Own renderers can be implemented to define custom styles: