BaseGallery.CustomDraw Event

Allows you to draw the gallery manually.

Namespace: DevExpress.XtraBars.Ribbon.Gallery

Assembly: DevExpress.XtraBars.v25.1.dll

NuGet Package: DevExpress.Win.Navigation

Declaration

C#

[DXCategory("Events")]
public event EventHandler<ImageGalleryCustomDrawEventArgs> CustomDraw

VB.NET

<DXCategory("Events")>
Public Event CustomDraw As EventHandler(Of ImageGalleryCustomDrawEventArgs)

Event Data

The CustomDraw event's data class is ImageGalleryCustomDrawEventArgs. The following properties provide information specific to this event:

Property	Description
Appearance	Gets the gallery’s appearance settings.
Bounds	Gets the bounding rectangle of the displayed ribbon gallery.
Gallery	Gets the current gallery.
Info	Gets information about the displayed gallery.
Painter	Gets an object that performs paint operations.

The event data class exposes the following methods:

Method	Description
DefaultDrawBackground()	Uses default drawing logic to draw the gallery’s background.
DefaultDrawGroups()	Uses default drawing logic to draw the gallery’s groups.
DefaultDrawMarqueeSelection()	Uses default drawing logic to draw the gallery’s marquee selection.

Remarks

The following code sample displays the gallery control with a custom background:

C#

private void galleryControl1_Gallery_CustomDraw(object sender, DevExpress.XtraBars.Ribbon.ImageGalleryCustomDrawEventArgs e) {
    e.Cache.FillRectangle(Color.Red, e.Bounds);
    e.DefaultDrawGroups();
    e.DefaultDrawMarqueeSelection();
    e.Handled = true;
}

VB.NET

Private Sub galleryControl1_Gallery_CustomDraw(ByVal sender As Object, ByVal e As DevExpress.XtraBars.Ribbon.ImageGalleryCustomDrawEventArgs)
    e.Cache.FillRectangle(Color.Red, e.Bounds)
    e.DefaultDrawGroups()
    e.DefaultDrawMarqueeSelection()
    e.Handled = True
End Sub