Band

• Dec 28, 2020

The ExpressQuantumTreeList allows end-users to combine columns into bands. A band represents a logical group that can contain any number of related columns.

All the end-user operations with a band can be carried out using its header.

For more information regarding band functionality, please refer to the following topics:

• Nested Bands

• Fixed Bands

• Expandable Bands

The table below lists the main properties that relate to bands.

Visibility	A band’s Visible property.
Appearance	The TreeList control’s Styles.BandBackground, Styles.BandContent and Styles.BandHeader properties, or a band’s Styles property. To dynamically customize these style settings, handle the TreeList control’s Styles.OnGetBandBackgroundStyle, Styles.OnGetBandContentStyle, and Styles.OnGetBandHeaderStyle events.
Custom Draw Event	The TreeList control’s OnCustomDrawBandCell and OnCustomDrawBandHeaderCell events.
Contents	A band’s Caption, ChildBands, and Columns properties.
Behavior	The TreeList control’s OptionsCustomizing.BandCustomizing, OptionsCustomizing.BandHiding, OptionsCustomizing.BandHorzSizing, OptionsCustomizing.BandMoving, OptionsCustomizing.BandsQuickCustomization, OptionsCustomizing.BandVertSizing, and OptionsCustomizing.NestedBands properties. A band’s Options, FixedKind, and Expandable properties.
HitTest Information	The TreeList control’s HitTest.HitAtBand property.