Gradient Label : Gradient : Graphics C# Source Code

    


/*
Code revised from chapter 3


GDI+ Custom Controls with Visual C# 2005
By Iulian Serban, Dragos Brezoi, Tiberiu Radu, Adam Ward 

Language English
Paperback 272 pages [191mm x 235mm]
Release date July 2006
ISBN 1904811604

Sample chapter
http://www.packtpub.com/files/1604_CustomControls_SampleChapter.pdf


For More info on GDI+ Custom Control with Microsoft Visual C# book 
visit website www.packtpub.com 


*/ 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;

namespace GradientLabelTest00
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private System.ComponentModel.IContainer components = null;

        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code
        private void InitializeComponent()
        {
            this.gradientLabel1 = new GradientLabelTest00.GradientLabel();
            this.SuspendLayout();

            this.gradientLabel1.BackColor = System.Drawing.SystemColors.ControlLight;
            this.gradientLabel1.BackColor2 = System.Drawing.SystemColors.ControlDarkDark;
            this.gradientLabel1.ForeColor = System.Drawing.SystemColors.ActiveCaption;
            this.gradientLabel1.Location = new System.Drawing.Point(66, 68);
            this.gradientLabel1.Name = "gradientLabel1";
            this.gradientLabel1.Size = new System.Drawing.Size(150, 47);
            this.gradientLabel1.TabIndex = 0;
            this.gradientLabel1.Text = "Gradient Label";
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Controls.Add(this.gradientLabel1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);

        }

        #endregion

        private GradientLabel gradientLabel1;        
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }

    }
    public partial class GradientLabel : Control
    {
        private Color backColor2 = SystemColors.ControlLight;
        public GradientLabel()
        {
            InitializeComponent();
        }
        public Color BackColor2
        {
            get
            {
                return backColor2;
            }
            set
            {
                if (backColor2 != value)
                {
                    backColor2 = value;
                    Invalidate();
                }
            }
        }

        private void GradientLabel_Paint(object sender, PaintEventArgs e)
        {
        }
        protected override void OnPaint(PaintEventArgs e)
        {
                base.OnPaint(e);
                LinearGradientBrush brush = new LinearGradientBrush(new Point(0, 0), new Point(0, Height), BackColor, BackColor2);
                e.Graphics.FillRectangle(brush, ClientRectangle);
                Brush foreBrush = new SolidBrush(ForeColor);
                SizeF textSize = e.Graphics.MeasureString(Text, Font);
                e.Graphics.DrawString(Text, Font, foreBrush, (Width - textSize.Width) / 2, (Height - textSize.Height) / 2);
                brush.Dispose();
                foreBrush.Dispose();
        }

        private System.ComponentModel.IContainer components = null;

        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #region Component Designer generated code

        private void InitializeComponent()
        {
            this.SuspendLayout();
            this.BackColor = System.Drawing.SystemColors.ControlDarkDark;
            this.ForeColor = System.Drawing.SystemColors.HotTrack;
            this.Size = new System.Drawing.Size(150, 24);
            this.Text = "Gradient Label";
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.GradientLabel_Paint);
            this.ResumeLayout(false);
        }
        #endregion        
    }
}