public event CustomDrawRowHeaderBackgroundEventHandler CustomDrawRowHeaderBackground

Public Event CustomDrawRowHeaderBackground As CustomDrawRowHeaderBackgroundEventHandler

using System;
using System.Drawing;
using DevExpress.Spreadsheet;
using DevExpress.XtraSpreadsheet;
// ...
private void spreadsheetControl1_CustomDrawRowHeaderBackground(object sender, 
    CustomDrawRowHeaderBackgroundEventArgs e)
{
    // Cancel default painting for the row header background.
    e.Handled = true;

    // If the row header is under the mouse pointer or the row contains the active cell,
    // paint the row header background in Color 1.
    // Otherwise, paint the row header in white.
    Color backColor = e.IsHovered || (e.RowIndex == spreadsheetControl1.ActiveCell.RowIndex) ? 
        Color.FromArgb(200, 44, 74) : // Color 1
        Color.White;
    e.Cache.FillRectangle(e.Cache.GetSolidBrush(backColor), e.Bounds);
}

Imports System
Imports System.Drawing
Imports DevExpress.Spreadsheet
Imports DevExpress.XtraSpreadsheet
' ...
Private Sub spreadsheetControl1_CustomDrawRowHeaderBackground(ByVal sender As Object,
    ByVal e As CustomDrawRowHeaderBackgroundEventArgs)
    ' Cancel default painting for the row header background.
    e.Handled = True

    ' If the row header is under the mouse pointer or the row contains the active cell,
    ' paint the row header background in Color 1.
    ' Otherwise, paint the row header in white.
    Dim backColor As Color = If(e.IsHovered OrElse (e.RowIndex = spreadsheetControl1.ActiveCell.RowIndex),
        Color.FromArgb(200, 44, 74), ' Color 1
        Color.White)
    e.Cache.FillRectangle(e.Cache.GetSolidBrush(backColor), e.Bounds)
End Sub

AddHandler spreadsheetControl1.CustomDrawRowHeader, AddressOf spreadsheetControl1_CustomDrawRowHeader
AddHandler spreadsheetControl1.CustomDrawRowHeaderBackground, AddressOf spreadsheetControl1_CustomDrawRowHeaderBackground
AddHandler spreadsheetControl1.CustomDrawCell, AddressOf spreadsheetControl1_CustomDrawCell