//  Please use the following namespace
//  using System.Windows.Forms;
//  using System.Drawing;
//  using GrapeCity.Win.Editors;
public void SetGcListStyles()
{
    // Creates the GcComboBox control.
    GcComboBox gcComboBox1 = new GcComboBox();
    // Creates a GradientEffect object.
    GradientEffect gradienteffect = new GradientEffect();
    gradienteffect.Direction = GradientDirection.Side;
    gradienteffect.EndColor = Color.FromArgb(224, 224, 224);
    // Sets the header panel
    gcComboBox1.ListHeaderPane.AutoHeight = false;
    gcComboBox1.ListHeaderPane.BackColor = Color.White;
    gcComboBox1.ListHeaderPane.GradientEffect = gradienteffect;
    gcComboBox1.ListHeaderPane.Height = 20;
    gcComboBox1.ListHeaderPane.Visible = true;
    // Sets the item style for disabled items.
    gcComboBox1.ListDisabledItemStyle.BackColor = SystemColors.Control;
    gcComboBox1.ListDisabledItemStyle.ForeColor = Color.Gray;
    gcComboBox1.ListDisabledItemStyle.GradientEffect = gradienteffect;
    // Sets the selected item style.
    gcComboBox1.ListSelectedItemStyle.BackColor = SystemColors.Highlight;
    gcComboBox1.ListSelectedItemStyle.ForeColor = SystemColors.HighlightText;
    // Sets the ItemTemplate.
    ItemTemplate template = new ItemTemplate();
    template.AutoItemHeight = false;
    template.BackColor = Color.White;
    template.Height = 20;
    template.Indent = 5;
    gcComboBox1.ListItemTemplates.Add(template);
}
	 
	
		'  Please use the following namespace
'  Imports System.Windows.Forms;
'  Imports System.Drawing;
'  Imports GrapeCity.Win.Editors;
Public Sub SetGcListStyles()
    ' Creates the GcComboBox control.
    Dim gcComboBox1 As New GcComboBox()
    ' Creates a GradientEffect object.
    Dim gradienteffect As New GradientEffect()
    gradienteffect.Direction = GradientDirection.Side
    gradienteffect.EndColor = Color.FromArgb(224, 224, 224)
    ' Sets the header panel
    gcComboBox1.ListHeaderPane.AutoHeight = False
    gcComboBox1.ListHeaderPane.BackColor = Color.White
    gcComboBox1.ListHeaderPane.GradientEffect = gradienteffect
    gcComboBox1.ListHeaderPane.Height = 20
    gcComboBox1.ListHeaderPane.Visible = True
    ' Sets the item style for disabled items.
    gcComboBox1.ListDisabledItemStyle.BackColor = SystemColors.Control
    gcComboBox1.ListDisabledItemStyle.ForeColor = Color.Gray
    gcComboBox1.ListDisabledItemStyle.GradientEffect = gradienteffect
    ' Sets the selected item style.
    gcComboBox1.ListSelectedItemStyle.BackColor = SystemColors.Highlight
    gcComboBox1.ListSelectedItemStyle.ForeColor = SystemColors.HighlightText
    ' Sets the ItemTemplate.
    Dim template As New ItemTemplate()
    template.AutoItemHeight = False
    template.BackColor = Color.White
    template.Height = 20
    template.Indent = 5
    gcComboBox1.ListItemTemplates.Add(template)
End Sub