using System;
using System.Drawing;
using System.Windows.Forms;
static class Program
{
static Form RedDot;
[STAThread]
static void Main()
{
RedDot = new Form();
RedDot.AutoSize = false;
RedDot.BackColor = Color.Red;
RedDot.FormBorderStyle = FormBorderStyle.None;
RedDot.ShowInTaskbar = false;
RedDot.Size = new Size(1, 1);
RedDot.StartPosition = FormStartPosition.CenterScreen;
RedDot.TopMost = true;
RedDot.Shown += new EventHandler(RedDot_Shown);
Application.Run(RedDot);
}
static void RedDot_Shown(object sender, EventArgs e)
{
RedDot.Size = new Size(1, 1);
}
}