'宣言 Public Class AfterRowFilterChangedEventArgs Inherits System.EventArgs
public class AfterRowFilterChangedEventArgs : System.EventArgs
Imports Infragistics.Shared Imports Infragistics.Win Imports Infragistics.Win.UltraWinGrid Private Sub ultraGrid1_BeforeRowFilterChanged(sender As Object, e As Infragistics.Win.UltraWinGrid.BeforeRowFilterChangedEventArgs) ' The ProcessMode property of the BeforeRowFilterChangedEventArgs event argument provides the ability ' to specify whether sorting and filtering of rows will occur synchronously or lazily. ' This can be usefull in situations where the grid contains a large number of records ' and the developer wishes to display a wait cursor during the sort or filter. By default the grid applies ' sorting and filtering lazily to rows in each band as it is expanded. If the ProccessMode property ' is set to either Synchronous or SynchronousExpanded the developer can ensure that either all rows ' in all bands, or all expanded rows in all bands are synchronously sorted and filtered, i.e., all at once. ' If a more fine grained approach is desired the RowsCollection overloaded EnsureSortedAndFiltered method can be used ' to specify how far down in the hierarchy of bands synchronous sorting and filtering should be applied. ' Setting the ProcessMode to Lazy specifies that the grid should apply sorting and filtering lazily ' to rows in each band as it is expanded. This is the default behavior of the grid. e.ProcessMode = ProcessMode.Lazy ' Setting the ProcessMode to Synchronous specifies that the grid should apply sorting and filtering ' synchronously to all rows in all bands. e.ProcessMode = ProcessMode.Synchronous ' Setting the ProcessMode to SynchronousExpanded specifies that the grid should apply sorting and filtering ' synchronously to all expanded rows in all bands. e.ProcessMode = ProcessMode.SynchronousExpanded ' This code specifies that a wait cursor should be displayed when a user modifies a filter for a column ' and ensures that all rows in all bands are sorted while the wait cursor is displayed. ' The cursor should be reset in the grid's AfterRowFilterChanged event. e.ProcessMode = ProcessMode.Synchronous Me.ultraGrid1.Cursor = Cursors.WaitCursor End Sub 'ultraGrid1_BeforeRowFilterChanged Private Sub UltraGrid1_AfterRowFilterChanged(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.AfterRowFilterChangedEventArgs) Handles UltraGrid1.AfterRowFilterChanged ' Reset the wait cursor Me.ultraGrid1.Cursor = Cursors.Default Debug.WriteLine("Rowfilters changed for column: " & e.Column.Key) End Sub
using Infragistics.Shared; using Infragistics.Win; using Infragistics.Win.UltraWinGrid; using System.Diagnostics; private void ultraGrid1_BeforeRowFilterChanged(object sender, Infragistics.Win.UltraWinGrid.BeforeRowFilterChangedEventArgs e) { // The ProcessMode property of the BeforeRowFilterChangedEventArgs event argument provides the ability // to specify whether sorting and filtering of rows will occur synchronously or lazily. // This can be usefull in situations where the grid contains a large number of records // and the developer wishes to display a wait cursor during the sort or filter. By default the grid applies // sorting and filtering lazily to rows in each band as it is expanded. If the ProccessMode property // is set to either Synchronous or SynchronousExpanded the developer can ensure that either all rows // in all bands, or all expanded rows in all bands are synchronously sorted and filtered, i.e., all at once. // If a more fine grained approach is desired the RowsCollection overloaded EnsureSortedAndFiltered method can be used // to specify how far down in the hierarchy of bands synchronous sorting and filtering should be applied. // Setting the ProcessMode to Lazy specifies that the grid should apply sorting and filtering lazily // to rows in each band as it is expanded. This is the default behavior of the grid. e.ProcessMode = ProcessMode.Lazy; // Setting the ProcessMode to Synchronous specifies that the grid should apply sorting and filtering // synchronously to all rows in all bands. e.ProcessMode = ProcessMode.Synchronous; // Setting the ProcessMode to SynchronousExpanded specifies that the grid should apply sorting and filtering // synchronously to all expanded rows in all bands. e.ProcessMode = ProcessMode.SynchronousExpanded; // This code specifies that a wait cursor should be displayed when a user modifies a filter for a column // and ensures that all rows in all bands are sorted while the wait cursor is displayed. // The cursor should be reset in the grid's AfterRowFilterChanged event. e.ProcessMode = ProcessMode.Synchronous; this.ultraGrid1.Cursor = Cursors.WaitCursor; } private void ultraGrid1_AfterRowFilterChanged(object sender, Infragistics.Win.UltraWinGrid.AfterRowFilterChangedEventArgs e) { // Reset the wait cursor this.ultraGrid1.Cursor = Cursors.Default; Debug.WriteLine( "Rowfilters changed for column: " + e.Column.Key ); }