C# Event Practices ''VideoConverter"

using VideoConverter; var bytes = System.Text.Encoding.ASCII.GetBytes("Hello world"); var convert = new VideoConvert(bytes); convert.ConversionStarted += HandleConversionStarted; convert.ConversionFinished += HandleConversionFinished; await convert.ConvertAsync(); void HandleConversionFinished(object sender, ConversionFinishedEventArgs e) { System.Console.WriteLine($"Finished : {e.ElapsedTime.TotalMilliseconds}"); System.Console.WriteLine($"Conversion data : {System.Convert.ToBase64String(e.ByteVideo)}"); // agar VideoConvert.cs da _bytes ni shunda hech narsa qilmasdan qaytarsak tekshirish imkonimiz bo'ladi System.Console.WriteLine($"Bytni Stringga pars qilamiz : {System.Text.Encoding.ASCII.GetString(e.ByteVideo)}"); } void HandleConversionStarted(object sender, ConversionStartedEventArgs e) { System.Console.WriteLine($"Conversion started : {e.StartTime:HH:mm:ss.fff}"); } 

namespace VideoConverter; public class VideoConvert { private byte[] _bytes; public VideoConvert(byte[] bytes) { _bytes = bytes; } public event EventHandler<ConversionStartedEventArgs> ConversionStarted; public event EventHandler<ConversionFinishedEventArgs> ConversionFinished; public async Task ConvertAsync() { var startTime = DateTime.Now; ConversionStarted?.Invoke(this, new ConversionStartedEventArgs(startTime)); var convertedByte = new byte[_bytes.Length]; await Task.Run(() => { for(int i = 0; i < _bytes.Length; i++) { convertedByte[i] = (byte)(_bytes[i] * 10 % 255); Thread.Sleep(100); } }); var finishTime = DateTime.Now; ConversionFinished?.Invoke(this, new ConversionFinishedEventArgs(finishTime - startTime, convertedByte)); } } 

namespace VideoConverter; public class ConversionStartedEventArgs : EventArgs { public DateTime StartTime { get; set; } public ConversionStartedEventArgs(DateTime startTime) { StartTime = startTime; } } 

namespace VideoConverter; public class ConversionFinishedEventArgs : EventArgs { public TimeSpan ElapsedTime { get; set;} public byte[] ByteVideo { get; set; } public ConversionFinishedEventArgs(TimeSpan elapsedTime, byte[] byteVideo) { ByteVideo = byteVideo; ElapsedTime = elapsedTime; } } 

Conversion started : 18:05:18.906 Finished : 1215.91 Conversion data : 0vU8PFpBqlp4POs= Bytni Stringga pars qilamiz : ??<<ZA?Zx<?