Dotted circle can be used for showing circular progress. Here is the code to draw a dotted/dashed circle using C# in windows form application:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Drawing.Drawing2D; using System.Threading; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } int angle = 0; int Startangle = 0; private void Form1_Load(object sender, EventArgs e) { } private void panel1_Paint(object sender, PaintEventArgs e) { //draw a dashed cricle using(Graphics g = panel1.CreateGraphics()) { System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(5, 5, 200, 200); g.SmoothingMode = SmoothingMode.AntiAlias; var dottedPen = new Pen(new SolidBrush(Color.FromArgb(255, 51, 51)), 10) { DashPattern = new[] { 0.5f, 0.5f } }; g.DrawArc(dottedPen, rectangle, Startangle, angle); } } private void button1_Click(object sender, EventArgs e) { new Thread(() => { for (int i = 1; i <= 360; i++) { Startangle = 0; angle++; Thread.Sleep(10); panel1.Invalidate(); } }).Start(); } } }
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