Beep sound in C#

            SystemSounds.Beep.Play();

...

using System.Media;

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Draw Circle on PictureBox when Button Click - Winform

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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; using AForge; using AForge.Imaging; using AForge.Imaging.Filters; using AForge.Math; namespace winForm1 {     public partial class Form1 : Form     {         Bitmap image;       // Global Bitmap         private bool _drawRect = false;         private bool _drawCircle = false;         public Form1()         {             InitializeComponent();             pictureBox1.Paint += new PaintEventHandler(this.pictur...
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2D FFT of Gray Image by AForge

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  using  System; using  System.Drawing; using  System.Windows.Forms; using  AForge; using  AForge.Imaging; using  AForge.Imaging.Filters; using  AForge.Imaging.ComplexFilters; namespace  tt {      class   MainClass     {          public   static   void   Main ( string []  args )         {              //  load image              Bitmap   image  = AForge.Imaging. Image . FromFile ( @" /Users/kerb/rose.jpg " );              //  create complex image              ComplexImage   complexImage  =...
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