List of Exercises

Toggle Button in WinForms C#

	    
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.ComponentModel;

namespace Styling_Toggle_Button
{
  public class SButton : CheckBox
  {
    //Fields
    private Color onBackColor = Color.MediumSlateBlue;
    private Color onToggleColor = Color.WhiteSmoke;
    private Color offBackColor = Color.Gray;
    private Color offToggleColor = Color.Gainsboro;
    private bool solidStyle = true;
   
    //Properties
    public Color OnBackColor
    {
      get { return onBackColor; }
      set
      {
        onBackColor = value;
        this.Invalidate();
      }
    }

    public Color OnToggleColor
    {
      get { return onToggleColor; }
      set
      {
        onToggleColor = value;
        this.Invalidate();
      }
    }
    public Color OffBackColor
    {
      get { return offBackColor; }
      set
      {
        offBackColor = value;
        this.Invalidate();
      }
    }
    public Color OffToggleColor
    {
      get { return offToggleColor; }
      set
      {
        offToggleColor = value;
        this.Invalidate();
      }
    }

    [Browsable(false)]
    public override string Text
    {
      get { return base.Text; }
      set { }
    }
    [DefaultValue(true)]
    public bool SolidStyle
    {
      get { return solidStyle; }
      set
      {
        solidStyle = value;
        this.Invalidate();
      }
    }
    //Constructor
    public SButton()
    {
      this.MinimumSize = new Size(45, 22);
    }
    //Methods
    private GraphicsPath GetFigurePath()
    {
      int arcSize = this.Height - 1;
      Rectangle leftArc = new Rectangle(0, 0, arcSize, arcSize);
      Rectangle rightArc = new Rectangle(this.Width - arcSize - 2, 0, arcSize, arcSize);

      GraphicsPath path = new GraphicsPath();
      path.StartFigure();
      path.AddArc(leftArc, 90, 180);
      path.AddArc(rightArc, 270, 180);
      path.CloseFigure();

      return path;
    }
    protected override void OnPaint(PaintEventArgs pevent)
    {
      int toggleSize = this.Height - 5;
      pevent.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
      pevent.Graphics.Clear(this.Parent.BackColor);

      if (this.Checked) //ON
      {
        //Draw the control surface
        if (solidStyle)
          pevent.Graphics.FillPath(new SolidBrush(onBackColor), GetFigurePath());
        else pevent.Graphics.DrawPath(new Pen(onBackColor, 2), GetFigurePath());
        //Draw the toggle
        pevent.Graphics.FillEllipse(new SolidBrush(onToggleColor),
         new Rectangle(this.Width - this.Height + 1, 2, toggleSize, toggleSize));
      }
      else //OFF
      {
        //Draw the control surface
        if (solidStyle)
          pevent.Graphics.FillPath(new SolidBrush(offBackColor), GetFigurePath());
        else pevent.Graphics.DrawPath(new Pen(offBackColor, 2), GetFigurePath());
        //Draw the toggle
        pevent.Graphics.FillEllipse(new SolidBrush(offToggleColor),
         new Rectangle(2, 2, toggleSize, toggleSize));
      }
    }


  }

  public class RoundedButton : Button
  {
    public RoundedButton()
    {
      this.BackColor = Color.OrangeRed;
      this.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
      this.FlatAppearance.BorderColor = Color.Black;
      this.FlatAppearance.BorderSize = 1;
      this.Width = 140;
      this.Height = 45;
    }
    public int rdus = 30;
    System.Drawing.Drawing2D.GraphicsPath GetRoundPath(RectangleF Rect, int radius)
    {
      float r2 = radius / 2f;
      System.Drawing.Drawing2D.GraphicsPath GraphPath = new System.Drawing.Drawing2D.GraphicsPath();
      GraphPath.AddArc(Rect.X, Rect.Y, radius, radius, 180, 90);
      GraphPath.AddLine(Rect.X + r2, Rect.Y, Rect.Width - r2, Rect.Y);
      GraphPath.AddArc(Rect.X + Rect.Width - radius, Rect.Y, radius, radius, 270, 90);
      GraphPath.AddLine(Rect.Width, Rect.Y + r2, Rect.Width, Rect.Height - r2);
      GraphPath.AddArc(Rect.X + Rect.Width - radius,
          Rect.Y + Rect.Height - radius, radius, radius, 0, 90);
      GraphPath.AddLine(Rect.Width - r2, Rect.Height, Rect.X + r2, Rect.Height);
      GraphPath.AddArc(Rect.X, Rect.Y + Rect.Height - radius, radius, radius, 90, 90);
      GraphPath.AddLine(Rect.X, Rect.Height - r2, Rect.X, Rect.Y + r2);
      GraphPath.CloseFigure();
      return GraphPath;
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      base.OnPaint(e);
      RectangleF Rect = new RectangleF(0, 0, this.Width, this.Height);
      using (System.Drawing.Drawing2D.GraphicsPath GraphPath = GetRoundPath(Rect, rdus))
      {
        this.Region = new Region(GraphPath);
        using (Pen pen = new Pen(Color.CadetBlue, 1.75f))
        {
          pen.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
          e.Graphics.DrawPath(pen, GraphPath);
        }
      }
    }

  }
}
		
	 


Download the project of Visual Studio 2013 in DropBox Download


How to make Toggle Button - Styling Button - Switch Button in WinForms C#


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