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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

BandedGridView.CustomDrawBandHeader Event

Enables you to custom paint band headers.

Namespace:DevExpress.XtraGrid.Views.BandedGrid
Assembly:DevExpress.XtraGrid.v19.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type BandHeaderCustomDrawEventArgs containing data related to this event.

The following BandHeaderCustomDrawEventArgs properties provide information specific to this event.
Property Description
Appearance Gets the painted element's appearance settings.
Band Gets the band whose header is to be painted. Returns null if an "empty band header" is currently being painted.
Bounds Returns a value specifying limits for the drawing area.
Cache Provides methods to paint on drawing surfaces in GDI+ and DirectX modes. See DirectX Hardware Acceleration to learn more.
Graphics A GDI+ drawing surface. Use the CustomDrawEventArgs.Cache property instead if you enable the DirectX Hardware Acceleration.
Handled Gets or sets a value specifying whether an event was handled and that the default element painting is therefore not required.
Info Gets an object providing View information for the band header being painted.
Painter Gets the painter object that provides the default element painting mechanism.

Expanded Remarks

The CustomDrawBandHeader event fires when a Band Header is about to be painted. See the Custom Painting Basics and Custom Painting Scenarios topics for information on using custom draw events.

Important

Never change cell values or modify the control's layout on this event, or any other event designed to tune the control's appearance. Any action that causes a layout update can cause the control to malfunction.

Expanded Example

The following code handles the CustomDrawBandHeader event to paint band headers with a 3D effect in the pressed state.

Expanded See Also

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