Skip to main content

TreeList.NodeCellStyle Event

Allows you to customize the appearance of individual cells.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v24.1.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

Declaration

[DXCategory("Appearance")]
public event GetCustomNodeCellStyleEventHandler NodeCellStyle

Event Data

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

Property Description
Appearance Gets the appearance settings used to paint the cell currently being processed.
Column Gets a column to which the cell processed by an event belongs. Inherited from CellEventArgs.
Node Gets the current Tree List node. Inherited from NodeEventArgs.

Remarks

The NodeCellStyle event raises when a cell is about to be displayed. You can identify the cell by e.Node and e.Column event arguments. To customize appearance settings, use the e.Appearance property.

Read the following topic for information on appearance customization: Appearances.

Important

Do not change cell values, modify the control’s layout, or change the control’s object model in the events used for custom control painting. Actions that update the layout can cause the control to malfunction.

Tip

Example

The following sample code handles the TreeList.NodeCellStyle event to modify the appearance of the “Budget“ column’s cells whose values are greater than 500,000.

Styles - GetCustomNodeCellStyle

using DevExpress.XtraTreeList;

private void treeList1_NodeCellStyle(object sender, GetCustomNodeCellStyleEventArgs e) {
   // Modify the appearance settings used to paint the "Budget" column's cells
   // whose values are greater than 500,000.
   if (e.Column.FieldName != "Budget") return;
   if (Convert.ToInt32(e.Node.GetValue(e.Column.AbsoluteIndex)) > 500000) {
      e.Appearance.BackColor = Color.FromArgb(80, 255, 0, 255);
      e.Appearance.ForeColor = Color.White;
      e.Appearance.FontStyleDelta = FontStyle.Bold;
   }
}
See Also