Note: The value of the NewSize property can be changed by the end developer to override the size which resulted from the user's action. The value of the OriginalSize property, however, is exposed for informational purposes and cannot be changed.
Imports Infragistics.Win Imports Infragistics.Win.Layout Imports Infragistics.Win.UltraWinTree Private Sub ultraTree1_AfterNodeLayoutItemResize(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.AfterNodeLayoutItemResizeEventArgs) Handles ultraTree1.AfterNodeLayoutItemResize ' Output a message to the debug window describing the resize operation Dim message As String = String.Empty If (e.IsCell) Then message = "Cell '" + e.Cell.Text + "' was successfully resized." Else message = "The header of column '" + e.Column.TextResolved + "' was successfully resized." End If End Sub Private Sub ultraTree1_BeforeNodeLayoutItemResize(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.BeforeNodeLayoutItemResizeEventArgs) Handles ultraTree1.BeforeNodeLayoutItemResize ' Disallow cell resizing for non-root level nodes If Not e.Node Is Nothing AndAlso e.Node.Level > 0 Then e.Cancel = True Return End If Dim originalSize As Size = Size.Empty ' Determine whether a cell or header was resized If (e.IsLabel) Then originalSize = e.Column.LayoutInfo.PreferredLabelSize Else originalSize = e.Column.LayoutInfo.PreferredCellSize End If ' Determine the amount by which the item was resized Dim delta As Size = New Size(e.NewSize.Width - originalSize.Width, e.NewSize.Height - originalSize.Height) ' Output a message to the debug window describing the resize operation Dim message As String = String.Empty If (e.IsCell) Then message = "Cell '" + e.Cell.Text + "' is being resized by " + delta.Width.ToString() + " units horizontally and " + delta.Height.ToString() + " units vertically." Else message = "The header of column '" + e.Column.TextResolved + "' is being resized by " + delta.Width.ToString() + " units horizontally and " + delta.Height.ToString() + " units vertically." End If Debug.WriteLine(message) End Sub
using Infragistics.Win; using Infragistics.Win.Layout; using Infragistics.Win.UltraWinTree; using System.Diagnostics; private void ultraTree1_AfterNodeLayoutItemResize(object sender, Infragistics.Win.UltraWinTree.AfterNodeLayoutItemResizeEventArgs e) { // Output a message to the debug window describing the resize operation string message = string.Empty; if ( e.IsCell ) message = "Cell '" + e.Cell.Text + "' was successfully resized."; else message = "The header of column '" + e.Column.TextResolved + "' was successfully resized."; } private void ultraTree1_BeforeNodeLayoutItemResize(object sender, Infragistics.Win.UltraWinTree.BeforeNodeLayoutItemResizeEventArgs e) { // Disallow cell resizing for non-root level nodes if ( e.Node != null && e.Node.Level > 0 ) { e.Cancel = true; return; } Size originalSize = Size.Empty; // Determine whether a cell or header was resized if ( e.IsLabel ) originalSize = e.Column.LayoutInfo.PreferredLabelSize; else originalSize = e.Column.LayoutInfo.PreferredCellSize; // Determine the amount by which the item was resized Size delta = new Size( e.NewSize.Width - originalSize.Width, e.NewSize.Height - originalSize.Height ); // Output a message to the debug window describing the resize operation string message = string.Empty; if ( e.IsCell ) message = "Cell '" + e.Cell.Text + "' is being resized by " + delta.Width.ToString() + " units horizontally and " + delta.Height.ToString() + " units vertically."; else message = "The header of column '" + e.Column.TextResolved + "' is being resized by " + delta.Width.ToString() + " units horizontally and " + delta.Height.ToString() + " units vertically."; Debug.WriteLine( message ); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2