■ IProgress<T> 인터페이스의 Report 메소드를 사용해 비동기 작업시 진행 상태를 보고하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Threading.Tasks; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.executeButton.Click += executeButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e) /// <summary> /// 실행 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private async void executeButton_Click(object sender, EventArgs e) { Progress<int> progress = new Progress<int>(); progress.ProgressChanged += (sender, e) => { this.progressBar.Value = e; if(e == 100) { this.executeButton.Enabled = true; } }; this.executeButton.Enabled = false; await ProcessJobAsync(progress); } #endregion //////////////////////////////////////////////////////////////////////////////// Event #region 작업 처리하기 (비동기) - ProcessJobAsync(progress) /// <summary> /// 작업 처리하기 (비동기) /// </summary> /// <param name="progress">진행 인터페이스</param> /// <returns>태스크</returns> private static async Task ProcessJobAsync(IProgress<int> progress) { int progressRatio = 0; for(int i = 0; i < 10; i++) { // 시간이 걸리는 작업을 실행한다. await Task.Delay(TimeSpan.FromMilliseconds(1000)); progressRatio += 10; progress?.Report(progressRatio); } } #endregion } } |
