■ PivotGridControl 클래스의 SaveLayoutToStream/RestoreLayoutFromStream 메소드를 사용해 레이아웃을 저장하거나 복구하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.IO; using DevExpress.Utils; using DevExpress.XtraEditors; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 레이아웃 스트림 /// </summary> private MemoryStream layoutStream = new MemoryStream(); /// <summary> /// 접힌 상태 스트림 /// </summary> private MemoryStream collapsedStateStream = new MemoryStream(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.clearButton.Enabled = false; Load += Form_Load; this.saveButton.Click += saveButton_Click; this.loadButton.Click += loadButton_Click; this.clearButton.Click += clearButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.excelDataSource.FileName = "SalesPerson.xlsx"; this.excelDataSource.Fill(); this.pivotGridControl.DataSource = this.excelDataSource; } #endregion #region Save 버튼 클릭시 처리하기 - saveButton_Click(sender, e) /// <summary> /// Save 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void saveButton_Click(object sender, EventArgs e) { if(this.pivotGridControl.Fields.Count > 0) { this.layoutStream.Dispose(); this.layoutStream = new MemoryStream(); this.pivotGridControl.SaveLayoutToStream(this.layoutStream, OptionsLayoutBase.FullLayout); this.collapsedStateStream.Dispose(); this.collapsedStateStream = new MemoryStream(); this.pivotGridControl.SaveCollapsedStateToStream(this.collapsedStateStream); this.clearButton.Enabled = true; } } #endregion #region Load 버튼 클릭시 처리하기 - loadButton_Click(sender, e) /// <summary> /// Load 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void loadButton_Click(object sender, EventArgs e) { if(this.layoutStream.Length > 0 && this.collapsedStateStream.Length > 0) { this.layoutStream.Seek(0, SeekOrigin.Begin); this.pivotGridControl.RestoreLayoutFromStream(this.layoutStream, OptionsLayoutBase.FullLayout); this.collapsedStateStream.Seek(0, SeekOrigin.Begin); this.pivotGridControl.LoadCollapsedStateFromStream(this.collapsedStateStream); } } #endregion #region Clear 버튼 클릭시 처리하기 - clearButton_Click(sender, e) /// <summary> /// Clear 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void clearButton_Click(object sender, EventArgs e) { if(this.layoutStream.Length > 0 && this.collapsedStateStream.Length > 0) { this.pivotGridControl.Fields.Clear(); } } #endregion } } |
