File: System\Windows\Forms\Controls\DataGridView\DataGridViewTopLeftHeaderCell.DataGridViewTopLeftHeaderCellRenderer.cs
Web Access
Project: src\src\System.Windows.Forms\src\System.Windows.Forms.csproj (System.Windows.Forms)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Drawing;
using System.Windows.Forms.VisualStyles;
 
namespace System.Windows.Forms;
 
public partial class DataGridViewTopLeftHeaderCell
{
    private static class DataGridViewTopLeftHeaderCellRenderer
    {
        private static VisualStyleRenderer? s_visualStyleRenderer;
 
        public static VisualStyleRenderer VisualStyleRenderer
        {
            get
            {
                s_visualStyleRenderer ??= new VisualStyleRenderer(s_headerElement);
 
                return s_visualStyleRenderer;
            }
        }
 
        public static void DrawHeader(Graphics g, Rectangle bounds, int headerState)
        {
            VisualStyleRenderer.SetParameters(s_headerElement.ClassName, s_headerElement.Part, headerState);
            VisualStyleRenderer.DrawBackground(g, bounds, Rectangle.Truncate(g.ClipBounds));
        }
    }
}