Question

Windows Graphics Assignment item options Your graphics assignment is to write a program for windows forms in C#. That will draw a red circle in the middle of the screen.

Answer 1

Here is the program for your description in C# Programming Language using Visual Studio 2017.

Steps to create a Windows Form Application in Visual Studio.

1. Open Visual Studio. File > New Project > Select "Visual C#" > Select "Windows Form Application(.Net Framework)> Name the app and choose the destination folder > Click "OK".

2. Now you will see a project window like below and right click on it or click "F4" to go to properties and choose "Paint".

3.Double click on paint . It will open Form1.cs file with some function code auto generated.

4. Now write the code for drawing circle.

CODE :

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; using System.Drawing; namespace CircleApp { public partial class Form1 : Form { public Form1() { InitializeComponent(); } //Creating a pen object to draw border of circle in black color. Pen black = new Pen(Color.Black); //Creating a solid brush object of color red to fill the circle. SolidBrush red = new SolidBrush(Color.Red);    private void Form1_Paint(object sender, PaintEventArgs e) { //Creating object for graphics class using event arguments object. Graphics graphics = e.Graphics; //Identifying the center of the window. //Let us take the diameter of the circle as 150 int circleDiameter = 150; //Creating a center point of X and Y axis as follow Point center = new Point() { X = (this.ClientRectangle.Width - circleDiameter) / 2, Y = (this.ClientRectangle.Height - circleDiameter) / 2 }; //Creating an object of rectangle class. //The first two parameters represent x and y axis positions //The last two parameters represent height and width of rectangle. Rectangle circle = new Rectangle(center.X, center.Y, circleDiameter, circleDiameter); //Drawing the circle using DrawEclipse method. graphics.DrawEllipse(black,circle); //Filling the circle with red color. graphics.FillEllipse(red, circle); } } }

SCREENSHOTS

Please see the screenshots of the code for indentations.

OUTPUT :

Any doubts regarding this can be explained with pleasure :)