The Band node defines a logical group (band) of columns. A band is visually represented by a header displayed above headers of the columns it combines.
To create an IModelBand node, right-click the Column node and choose Add... | Band. You can also add a child band into an existing band to create a band hierarchy.
To add columns into a band, select one or more Column nodes and drag them into the band:
In WinForms applications, the IModelBand node is extended with properties from IModelBandWin.
This interface is a part of the Application Model infrastructure. You do not need to implement this interface in most cases.