public event CustomDrawRowHeaderCellEventHandler CustomDrawRowHeaderCell

Public Event CustomDrawRowHeaderCell As CustomDrawRowHeaderCellEventHandler

using DevExpress.XtraVerticalGrid.Rows;

using System.Drawing.Drawing2D;
using DevExpress.XtraVerticalGrid.Events;

private void Form1_Load(object sender, EventArgs e) {
    vGridControl1.OptionsView.ShowRootLevelIndent = false;
    MultiEditorRow meRow = (vGridControl1.Rows[0] as MultiEditorRow);
    if (meRow != null) {
        meRow.SeparatorKind = SeparatorKind.String;
        meRow.SeparatorString = "/";
    }
}

Font fontRegular = new Font("Tahoma", 10);
Font fontBold = new Font("Tahoma", 10, FontStyle.Bold);

private void vGridControl1_CustomDrawSeparator(object sender, DevExpress.XtraVerticalGrid.Events.CustomDrawSeparatorEventArgs e) {
   Font font = fontRegular;
    Brush brush = Brushes.Orange;
    if(e.IsHeaderSeparator) {
        font = fontBold;
        brush = Brushes.LightGray;
    }
    e.Cache.FillRectangle(brush, e.Bounds);
    e.Cache.DrawString("/", font, Brushes.DarkBlue, e.Bounds, e.Appearance.GetStringFormat());
    e.Handled = true;
}

private void vGridControl1_CustomDrawRowValueCell(object sender, DevExpress.XtraVerticalGrid.Events.CustomDrawRowValueCellEventArgs e) {
    e.Cache.FillRectangle(Brushes.Orange, Rectangle.Inflate(e.Bounds, 1, 1));
    e.Cache.DrawString(e.CellText, e.Appearance.Font, Brushes.Black, e.Bounds, e.Appearance.GetStringFormat());
    e.Handled = true;
}

private void vGridControl1_CustomDrawRowHeaderCell(object sender, DevExpress.XtraVerticalGrid.Events.CustomDrawRowHeaderCellEventArgs e) {
    Rectangle rect = Rectangle.Inflate(e.Bounds, 1, 1);
    Rectangle rectText = Rectangle.Inflate(e.Bounds, -2, 0);
    e.Cache.FillRectangle(Brushes.LightGray, rect);
    e.Cache.DrawString(e.Caption, e.Appearance.Font, Brushes.Black, rectText, e.Appearance.GetStringFormat());
    e.Handled = true;
}

Imports DevExpress.XtraVerticalGrid.Rows

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
    VGridControl1.OptionsView.ShowRootLevelIndent = False
    Dim meRow As MultiEditorRow = (TryCast(VGridControl1.Rows(0), MultiEditorRow))
    If Not meRow Is Nothing Then
        meRow.SeparatorKind = SeparatorKind.String
        meRow.SeparatorString = "/"
    End If
End Sub

Private fontRegular As Font = New Font("Tahoma", 10)
Private fontBold As Font = New Font("Tahoma", 10, FontStyle.Bold)

Private Sub VGridControl1_CustomDrawRowValueCell(sender As Object, e As DevExpress.XtraVerticalGrid.Events.CustomDrawRowValueCellEventArgs) Handles VGridControl1.CustomDrawRowValueCell
    e.Cache.FillRectangle(Brushes.Orange, Rectangle.Inflate(e.Bounds, 1, 1))
    e.Cache.DrawString(e.CellText, e.Appearance.Font, Brushes.Black, e.Bounds, e.Appearance.GetStringFormat())
    e.Handled = True
End Sub

Private Sub VGridControl1_CustomDrawRowHeaderCell(sender As Object, e As DevExpress.XtraVerticalGrid.Events.CustomDrawRowHeaderCellEventArgs) Handles VGridControl1.CustomDrawRowHeaderCell
    Dim rect As Rectangle = Rectangle.Inflate(e.Bounds, 1, 1)
    Dim rectText As Rectangle = Rectangle.Inflate(e.Bounds, -2, 0)
    e.Cache.FillRectangle(Brushes.LightGray, rect)
    e.Cache.DrawString(e.Caption, e.Appearance.Font, Brushes.Black, rectText, e.Appearance.GetStringFormat())
    e.Handled = True
End Sub

Private Sub VGridControl1_CustomDrawSeparator(sender As Object, e As DevExpress.XtraVerticalGrid.Events.CustomDrawSeparatorEventArgs) Handles VGridControl1.CustomDrawSeparator
    Dim font As Font = fontRegular
    Dim brush As Brush = Brushes.Orange
    If e.IsHeaderSeparator Then
        font = fontBold
        brush = Brushes.LightGray
    End If
    e.Cache.FillRectangle(brush, e.Bounds)
    e.Cache.DrawString("/", font, Brushes.DarkBlue, e.Bounds, e.Appearance.GetStringFormat())
    e.Handled = True
End Sub