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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace AnimationTest2
{
	public partial class Form1 : Form
	{
		Bitmap canvas;
		bool movable = true;
		int x = 0;
		int y = 50;
		const int radius = 50;
		int count = 0;
		Brush bg_brush = new SolidBrush(SystemColors.Control);
		Brush fg_brush = new SolidBrush(Color.Black);
 
		public Form1()
		{
			InitializeComponent();
			canvas = new Bitmap(pictureBox1.Width, pictureBox1.Height);
		}
 
		private void button1_Click(object sender, EventArgs e)
		{
			if (movable)
			{
				movable = false;
				timer1.Start();
			}
		}
 
		private void timer1_Tick(object sender, EventArgs e)
		{
			Graphics g = Graphics.FromImage(canvas);
			g.FillEllipse(bg_brush, x, y, radius, radius);
			x += 10;
			g.FillEllipse(fg_brush, x, y, radius, radius);
			count++;
			g.Dispose();
			pictureBox1.Image = canvas;
			if (count == 20)
			{
				count = 0;
				movable = true;
				timer1.Stop();
			}
		}
	}
}

prog.cs(4,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing `System.Data' assembly reference?
prog.cs(9,22): error CS0234: The type or namespace name `Forms' does not exist in the namespace `System.Windows'. Are you missing `System.Windows.Forms' assembly reference?
prog.cs(13,31): error CS0246: The type or namespace name `Form' could not be found. Are you missing an assembly reference?
Compilation failed: 3 error(s), 0 warnings

Standard output is empty