■ LookUpEdit 클래스의 ProcessNewValue 이벤트를 사용해 데이터 소스에 사용자 입력 값을 추가하는 방법을 보여준다.
▶ MainForm.cs
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using System.Collections.Generic; using System.Windows.Forms; using DevExpress.XtraEditors; using DevExpress.XtraEditors.Controls; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); List<Contact> sourceList = new List<Contact>(); sourceList.Add(new Contact("John Doe" )); sourceList.Add(new Contact("Sam Hill" )); sourceList.Add(new Contact("Karen Holmes" )); sourceList.Add(new Contact("Bobbie Valentine")); sourceList.Add(new Contact("Frank Frankson" )); this.lookUpEdit.Properties.TextEditStyle = TextEditStyles.Standard; this.lookUpEdit.Properties.ValueMember = "Name"; this.lookUpEdit.Properties.DisplayMember = "Name"; this.lookUpEdit.Properties.DataSource = sourceList; this.lookUpEdit.Properties.Columns.Add(new LookUpColumnInfo("Name", "Name", 80)); this.lookUpEdit.ProcessNewValue += lookUpEdit_ProcessNewValue; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 룩업 에디터 신규 값 처리하기 - lookUpEdit_ProcessNewValue(sender, e) /// <summary> /// 룩업 에디터 신규 값 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void lookUpEdit_ProcessNewValue(object sender, ProcessNewValueEventArgs e) { string newValue = e.DisplayValue as string; if(string.IsNullOrWhiteSpace(newValue)) { return; } DialogResult result = XtraMessageBox.Show ( this, $"{newValue} 항목을 목록에 추가하시겠습니까?", "CONFIRMATION", MessageBoxButtons.YesNo, MessageBoxIcon.Question ); if(result == DialogResult.Yes) { LookUpEdit lookUpEdit = sender as LookUpEdit; List<Contact> sourceList = lookUpEdit.Properties.DataSource as List<Contact>; sourceList.Add(new Contact(newValue)); e.Handled = true; } } #endregion } } |
