GroupLabel.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / Util / GroupLabel.cs / 1 / GroupLabel.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

// GroupLabel.cs 
// 
// 6/10/99: [....]: created
// 

namespace System.Web.UI.Design.Util {
    using System.Runtime.Serialization.Formatters;
 
    using System.Diagnostics;
 
    using System; 
    using System.Windows.Forms;
    using System.Drawing; 


    /// 
    ///  
    ///    A label control that draws an etched line beyond its text string
    ///    Do not use the AutoSize property with this control 
    ///  
    /// 
    [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] 
    internal sealed class GroupLabel : Label {

        /// 
        ///  
        ///    Creates a new GroupLabel
        ///  
        public GroupLabel() : base() { 
            SetStyle(ControlStyles.UserPaint, true);
        } 

        /// 
        /// 
        ///    Custom UI is painted here 
        /// 
        protected override void OnPaint(PaintEventArgs e) { 
            Graphics g = e.Graphics; 
            Rectangle r = ClientRectangle;
            string text = Text; 

            Brush foreBrush = new SolidBrush(ForeColor);
            g.DrawString(text, Font, foreBrush, 0, 0);
            foreBrush.Dispose(); 

            int etchLeft = r.X; 
            if (text.Length != 0) { 
                Size sz = Size.Ceiling(g.MeasureString(text, Font));
                etchLeft += 4 + sz.Width; 
            }
            int etchTop = r.Height / 2;

            g.DrawLine(SystemPens.ControlDark, etchLeft, etchTop, r.Width, etchTop); 

            etchTop++; 
            g.DrawLine(SystemPens.ControlLightLight, etchLeft, etchTop, r.Width, etchTop); 
        }
    } 
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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