[C#] 비동기 프로그래스바.

ProgressBar에 Value값을 입력하면 

Value값까지 증가값만큼 순차적으로 증가한다.

C# 4.0환경에서 작성했으며..

3.0이상이면 무리없이 작동할거라고 생각된다...ㅎㅎ

Colored By Color Scripter™

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using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.Linq; using System.Text; using System.Windows.Forms; using System.Threading;   namespace AsyncProgressBar {     /// <summary>     /// 컴포넌트의 값을 비동기적으로 설정된 증가값만큼 증가시켜준다.     /// </summary>     public partial class AsyncProgressBar : ProgressBar, IProgressCompleted, IProgressChanged     {         private delegate void Increasing();           /// <summary>         /// 증가값         /// </summary>         [DefaultValue(1)]         public int Increase         {             get;             set;         }           private int m_value;         /// <summary>         /// 현재값         /// </summary>         public new int Value         {             get { return m_value; }             set             {                 if (value > 0)                 {                     m_value = value;                     if (m_value == 0)                     {                         base.Value = 0;                     }                     else                     {                         if (!_worker.IsBusy)                             _worker.RunWorkerAsync();                     }                 }             }         }           //백그라운드 작업 객체         BackgroundWorker _worker = new BackgroundWorker();           public AsyncProgressBar()             : base()         {             InitializeComponent();             if (this.Increase < 1)                 this.Increase = 1;                          _worker.DoWork += new DoWorkEventHandler(_worker_DoWork);         }           void _worker_DoWork(object sender, DoWorkEventArgs e)         {             while (isEnableIncre())             {                 base.Invoke(new Increasing(delegate                 {                     base.Value = base.Value + this.Increase;                     //값이 증가되면 상태변경 이벤트 호출                     OnProgressChanged(base.Value);                     Thread.Sleep(10);                 }));             }               //Value가 최대값에 도달. 완료 이벤트 호출             if (this.Maximum == base.Value)             {                 OnProgressCompleted();             }         }           /// <summary>         /// 컴포넌트의 Value 값을 증가시킬수있는지 확인한다.         /// </summary>         /// <returns></returns>         private bool isEnableIncre()         {             return base.Value < this.Value && this.Value >= 0;         }           /// <summary>         /// 프로그래스 값이 변경된것을 알려준다.         /// </summary>         /// <param name="nCrnt"></param>         private void OnProgressChanged(int nCrnt)         {             if (ProgressChanged != null)             {                 ProgressChanged(new ProgressChangedEventArgs(nCrnt));             }         }           /// <summary>         /// 프로그래스가 완료된것을 알려준다.         /// </summary>         private void OnProgressCompleted()         {             if (ProgressCompleted != null)             {                 ProgressCompleted(new ProgressCompletedEventArgs());             }         }           /// <summary>         /// 프로그래스 값이 변경된것을 알려준다.         /// </summary>         public event ProgressCompletedHandler ProgressCompleted;           /// <summary>         /// 프로그래스가 완료된것을 알려준다.         /// </summary>         public event ProgressChangedHandler ProgressChanged;       }       #region 프로그래스 변경/완료 이벤트 클래스       public delegate void ProgressCompletedHandler(ProgressCompletedEventArgs e);     public class ProgressCompletedEventArgs : EventArgs     {         public ProgressCompletedEventArgs()             : base()         {         }     }     public interface IProgressCompleted     {         event ProgressCompletedHandler ProgressCompleted;     }           public delegate void ProgressChangedHandler(ProgressChangedEventArgs e);     public class ProgressChangedEventArgs : EventArgs     {         /// <summary>         /// 현재 값         /// </summary>         public int Current         {             get;             private set;         }           public ProgressChangedEventArgs(int nCrnt)             : base()         {             Current = nCrnt;         }     }     public interface IProgressChanged     {         event ProgressChangedHandler ProgressChanged;     }     #endregion   }