CardView.CustomCardCaptionImage Event

Enables custom images to be shown in card captions.

Namespace: DevExpress.XtraGrid.Views.Card

Assembly: DevExpress.XtraGrid.v19.2.dll

Declaration

C#

[DXCategory("Appearance")]
public event CardCaptionImageEventHandler CustomCardCaptionImage

VB.NET

<DXCategory("Appearance")>
Public Event CustomCardCaptionImage As CardCaptionImageEventHandler

Event Data

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

Property	Description
Image	Gets or sets the image to be displayed within an element.
ImageIndex	Gets or sets the index of the image to be displayed within a visual element.
ImageList	Gets or sets the source collection of images.
RowHandle	Gets the handle of the processed card.

Remarks

The CustomCardCaptionImage event fires for each card within a Card View and allows you to specify images for the captions of individual cards. The card referenced is identified by the event’s CardCaptionImageEventArgs.RowHandle parameter.

Images can be specified in one of two ways:

• using the CardCaptionImageEventArgs.Image event parameter;
• using the CardCaptionImageEventArgs.ImageIndex property that specifies the index of the image to be shown in the card caption. By default, images are obtained from the View’s ColumnView.Images collection. A custom source for images can however be specified using the CardCaptionImageEventArgs.ImageList property.

Note that the CardCaptionImageEventArgs.Image property takes priority over the CardCaptionImageEventArgs.ImageIndex property.

Example

In the following code snippet from the GridMainDemo, the CardView.CustomCardCaptionImage event is handled to display custom images in card captions. First, an underlying data object (VehiclesData.Model) corresponding to the currently processed card is obtained using the ColumnView.GetRow method. The image to display in the card caption is retrieved from this object and assigned to the event’s Image parameter. Please refer to the GridMainDemo for a complete example.

C#

private void cardView1_CustomCardCaptionImage(object sender, DevExpress.XtraGrid.Views.Card.CardCaptionImageEventArgs e) {
    VehiclesData.Model model = cardView1.GetRow(e.RowHandle) as VehiclesData.Model;

    e.Image = model.GetSmallTrademarkImage();
}

VB.NET

Private Sub cardView1_CustomCardCaptionImage(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Card.CardCaptionImageEventArgs) Handles cardView1.CustomCardCaptionImage
    Dim model As VehiclesData.Model = TryCast(cardView1.GetRow(e.RowHandle), VehiclesData.Model)

    e.Image = model.GetSmallTrademarkImage()
End Sub