SynchronizeCurrencyManager をTrueに設定すると、ActiveNodeがバインドノードに変更されたときに必ず CurrencyManager の位置との同期化が試みられます。
CurrencyManager の位置設定には時間がかかることがあります。データのレベル数が多い場合は SynchronizeCurrencyManager を True に設定しないことを強くお勧めします。データ構造の階層が 5～8 レベルを超える場合 (またはデータ構造が再帰的な場合)、同期化が原因でパフォーマンスの問題が発生することがあります。
Imports Infragistics.Win Imports Infragistics.Win.Layout Imports Infragistics.Win.UltraWinTree Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click ' Get the DataSet Dim dataSet As DataSet = Me.GetData() ' Set 'AutoGenerateColumnSets' to true so that UltraTreeCOlumnSets are automatically generated Me.ultraTree1.ColumnSettings.AutoGenerateColumnSets = True ' Set 'SynchronizeCurrencyManager' to false to optimize performance Me.ultraTree1.SynchronizeCurrencyManager = False ' Set 'ViewStyle' to OutlookExpress for a relational display Me.ultraTree1.ViewStyle = ViewStyle.OutlookExpress ' Set 'AutoFitColumns' to true to automatically fit all columns Me.ultraTree1.ColumnSettings.AutoFitColumns = AutoFitColumns.ResizeAllColumns ' Set DataSource/DataMember to bind the UltraTree Me.ultraTree1.DataSource = DataSet Me.ultraTree1.DataMember = "TVSeries" End Sub Private Function GetData() As DataSet Dim dataSet As DataSet = New DataSet() Dim dataTableSeries As DataTable = New DataTable("TVSeries") dataTableSeries.Columns.Add("RecordID", GetType(Integer)) dataTableSeries.Columns.Add("Name", GetType(String)) dataTableSeries.Columns.Add("Network", GetType(String)) dataTableSeries.Columns.Add("PilotDate", GetType(DateTime)) dataTableSeries.Rows.Add(New Object() {0, "Happy Days", "ABC", New DateTime(1974, 1, 15)}) dataTableSeries.Rows.Add(New Object() {1, "Diff'rent Strokes", "NBC", New DateTime(1978, 11, 3)}) dataTableSeries.Rows.Add(New Object() {2, "All In The Family", "CBS", New DateTime(1971, 1, 12)}) Dim dataTableSpinoffs As DataTable = New DataTable("Spinoffs") dataTableSpinoffs.Columns.Add("RecordID", GetType(Integer)) dataTableSpinoffs.Columns.Add("ParentRecordID", GetType(Integer)) dataTableSpinoffs.Columns.Add("Name", GetType(String)) dataTableSpinoffs.Columns.Add("Network", GetType(String)) dataTableSpinoffs.Columns.Add("PilotDate", GetType(DateTime)) dataTableSpinoffs.Rows.Add(New Object() {3, 0, "Blansky's Beauties", "ABC", New DateTime(1977, 2, 12)}) dataTableSpinoffs.Rows.Add(New Object() {4, 0, "Mork And Mindy", "ABC", New DateTime(1978, 2, 28)}) dataTableSpinoffs.Rows.Add(New Object() {5, 0, "Laverne And Shirley", "ABC", New DateTime(1979, 9, 11)}) dataTableSpinoffs.Rows.Add(New Object() {6, 0, "Joanie Loves Chachi", "ABC", New DateTime(1982, 3, 23)}) dataTableSpinoffs.Rows.Add(New Object() {7, 1, "Hello, Larry", "NBC", New DateTime(1979, 1, 26)}) dataTableSpinoffs.Rows.Add(New Object() {8, 1, "The Facts Of Life", "NBC", New DateTime(1979, 8, 24)}) dataTableSpinoffs.Rows.Add(New Object() {9, 2, "Maude", "CBS", New DateTime(1972, 9, 12)}) dataTableSpinoffs.Rows.Add(New Object() {10, 2, "The Jeffersons", "CBS", New DateTime(1975, 1, 18)}) dataTableSpinoffs.Rows.Add(New Object() {11, 10, "Checking In", "CBS", New DateTime(1981, 4, 9)}) dataTableSpinoffs.Rows.Add(New Object() {12, 9, "Good Times", "CBS", New DateTime(1974, 2, 8)}) dataSet.Tables.Add(dataTableSeries) dataSet.Tables.Add(dataTableSpinoffs) dataSet.Relations.Add("SpinoffToSeries", dataTableSeries.Columns("RecordID"), dataTableSpinoffs.Columns("ParentRecordID"), False) dataSet.Relations.Add("SpinoffToSpinoff", dataTableSpinoffs.Columns("RecordID"), dataTableSpinoffs.Columns("ParentRecordID"), False) Return dataSet End Function Private Sub ultraTree1_InitializeDataNode(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.InitializeDataNodeEventArgs) Handles ultraTree1.InitializeDataNode ' If the node is being initialized for the first time, ' set some appearance properties for root nodes If e.Reinitialize = False AndAlso e.Node.Level = 0 Then e.Node.Override.NodeAppearance.BackColor = Office2003Colors.ToolbarGradientLight e.Node.Override.NodeAppearance.BackColor2 = Office2003Colors.ToolbarGradientDark e.Node.Override.NodeAppearance.BackGradientStyle = GradientStyle.Vertical e.Node.Override.NodeAppearance.ForeColor = Color.DarkBlue e.Node.Override.NodeAppearance.FontData.Bold = DefaultableBoolean.True End If ' Expand each node as it is initialized e.Node.Expanded = True End Sub Private Sub ultraTree1_ColumnSetGenerated(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.ColumnSetGeneratedEventArgs) Handles ultraTree1.ColumnSetGenerated Dim i As Integer For i = 0 To e.ColumnSet.Columns.Count - 1 Dim column As UltraTreeNodeColumn = e.ColumnSet.Columns(i) ' Format the DateTime columns with the current culture's ShortDatePattern If column.DataType Is GetType(DateTime) Then column.Format = System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern End If ' Hide the integer columns, which represent record IDs If (column.DataType Is GetType(Integer)) Then column.Visible = False End If ' Set the MapToColumn for the relationship ColumnSets If e.ColumnSet.Key = "SpinoffToSeries" Or e.ColumnSet.Key = "SpinoffToSpinoff" Then column.MapToColumn = column.Key End If ' Set the Text property to something more descriptive If column.Key = "Name" Then column.Text = "TV Series / Spinoffs" ' Make the name column wider column.LayoutInfo.PreferredLabelSize = New Size(Me.ultraTree1.Width / 2, 0) ElseIf column.Key = "PilotDate" Then column.Text = "First Aired" ' Center align the text for the first aired date column.CellAppearance.TextHAlign = HAlign.Center ElseIf column.Key = "Network" Then ' Center align the text for the name of the network column.CellAppearance.TextHAlign = HAlign.Center End If Next i End Sub
using Infragistics.Win; using Infragistics.Win.Layout; using Infragistics.Win.UltraWinTree; using System.Diagnostics; private void button1_Click(object sender, System.EventArgs e) { // Get the DataSet DataSet dataSet = this.GetData(); // Set 'AutoGenerateColumnSets' to true so that UltraTreeCOlumnSets are automatically generated this.ultraTree1.ColumnSettings.AutoGenerateColumnSets = true; // Set 'SynchronizeCurrencyManager' to false to optimize performance this.ultraTree1.SynchronizeCurrencyManager = false; // Set 'ViewStyle' to OutlookExpress for a relational display this.ultraTree1.ViewStyle = ViewStyle.OutlookExpress; // Set 'AutoFitColumns' to true to automatically fit all columns this.ultraTree1.ColumnSettings.AutoFitColumns = AutoFitColumns.ResizeAllColumns; // Set DataSource/DataMember to bind the UltraTree this.ultraTree1.DataSource = dataSet; this.ultraTree1.DataMember = "TVSeries"; } private DataSet GetData() { DataSet dataSet = new DataSet(); DataTable dataTableSeries = new DataTable( "TVSeries" ); dataTableSeries.Columns.Add( "RecordID", typeof(int) ); dataTableSeries.Columns.Add( "Name", typeof(string) ); dataTableSeries.Columns.Add( "Network", typeof(string) ); dataTableSeries.Columns.Add( "PilotDate", typeof(DateTime) ); dataTableSeries.Rows.Add( new object[]{ 0, "Happy Days", "ABC", new DateTime( 1974, 1, 15 ) } ); dataTableSeries.Rows.Add( new object[]{ 1, "Diff'rent Strokes", "NBC", new DateTime( 1978, 11, 3 ) } ); dataTableSeries.Rows.Add( new object[]{ 2, "All In The Family", "CBS", new DateTime( 1971, 1, 12 ) } ); DataTable dataTableSpinoffs = new DataTable( "Spinoffs" ); dataTableSpinoffs.Columns.Add( "RecordID", typeof(int) ); dataTableSpinoffs.Columns.Add( "ParentRecordID", typeof(int) ); dataTableSpinoffs.Columns.Add( "Name", typeof(string) ); dataTableSpinoffs.Columns.Add( "Network", typeof(string) ); dataTableSpinoffs.Columns.Add( "PilotDate", typeof(DateTime) ); dataTableSpinoffs.Rows.Add( new object[]{ 3, 0, "Blansky's Beauties", "ABC", new DateTime( 1977, 2, 12 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 4, 0, "Mork And Mindy", "ABC", new DateTime( 1978, 2, 28 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 5, 0, "Laverne And Shirley", "ABC", new DateTime( 1979, 9, 11 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 6, 0, "Joanie Loves Chachi", "ABC", new DateTime( 1982, 3, 23 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 7, 1, "Hello, Larry", "NBC", new DateTime( 1979, 1, 26 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 8, 1, "The Facts Of Life", "NBC", new DateTime( 1979, 8, 24 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 9, 2, "Maude", "CBS", new DateTime( 1972, 9, 12 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 10, 2, "The Jeffersons", "CBS", new DateTime( 1975, 1, 18 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 11, 10, "Checking In", "CBS", new DateTime( 1981, 4, 9 ) } ); dataTableSpinoffs.Rows.Add( new object[]{ 12, 9, "Good Times", "CBS", new DateTime( 1974, 2, 8 ) } ); dataSet.Tables.Add( dataTableSeries ); dataSet.Tables.Add( dataTableSpinoffs ); dataSet.Relations.Add( "SpinoffToSeries", dataTableSeries.Columns["RecordID"], dataTableSpinoffs.Columns["ParentRecordID"], false ); dataSet.Relations.Add( "SpinoffToSpinoff", dataTableSpinoffs.Columns["RecordID"], dataTableSpinoffs.Columns["ParentRecordID"], false ); return dataSet; } private void ultraTree1_InitializeDataNode(object sender, Infragistics.Win.UltraWinTree.InitializeDataNodeEventArgs e) { // If the node is being initialized for the first time, // set some appearance properties for root nodes if ( e.Reinitialize == false && e.Node.Level == 0 ) { e.Node.Override.NodeAppearance.BackColor = Office2003Colors.ToolbarGradientLight; e.Node.Override.NodeAppearance.BackColor2 = Office2003Colors.ToolbarGradientDark; e.Node.Override.NodeAppearance.BackGradientStyle = GradientStyle.Vertical; e.Node.Override.NodeAppearance.ForeColor = Color.DarkBlue; e.Node.Override.NodeAppearance.FontData.Bold = DefaultableBoolean.True; } // Expand each node as it is initialized e.Node.Expanded = true; } private void ultraTree1_ColumnSetGenerated(object sender, Infragistics.Win.UltraWinTree.ColumnSetGeneratedEventArgs e) { for ( int i = 0; i < e.ColumnSet.Columns.Count; i ++ ) { UltraTreeNodeColumn column = e.ColumnSet.Columns[i]; // Format the DateTime columns with the current culture's ShortDatePattern if ( column.DataType == typeof(DateTime) ) column.Format = System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern; // Hide the integer columns, which represent record IDs if ( column.DataType == typeof(int) ) column.Visible = false; // Set the MapToColumn for the relationship ColumnSets if ( e.ColumnSet.Key == "SpinoffToSeries" || e.ColumnSet.Key == "SpinoffToSpinoff" ) column.MapToColumn = column.Key; // Set the Text property to something more descriptive if ( column.Key == "Name" ) { column.Text = "TV Series / Spinoffs"; // Make the name column wider column.LayoutInfo.PreferredLabelSize = new Size( this.ultraTree1.Width / 2, 0 ); } else if ( column.Key == "PilotDate" ) { column.Text = "First Aired"; // Center align the text for the first aired date column.CellAppearance.TextHAlign = HAlign.Center; } else if ( column.Key == "Network" ) // Center align the text for the name of the network column.CellAppearance.TextHAlign = HAlign.Center; } }