Outlook-like grouping of columns

The columns of the grid can be grouped in an Outlook-style by dragging the column to the groupbox. Of course grouping can also be achieved by simple API-methods.

The grouped columns are sortable, the appearance of the groupbox is defined in the renderer. When using default-renderers (XP or Vista) the grouped columns have the following style:

XP-Mode:

Vista-Mode:

You can also define your customized grouping-style in an own renderer-implementation.

Demo