'宣言 Public Class CalendarLookEventManager Inherits Infragistics.Shared.EventManagerBase
public class CalendarLookEventManager : Infragistics.Shared.EventManagerBase
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.UltraWinSchedule Private Sub Button18_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button18.Click ' Get the UltraCalendarLook's event manager. ' The event manager is used to temporarily disable events ' to prevent them from being raised. This can be very ' convenient in a situation where one or more properties ' are being set in code and the events they would normally ' raise would cause unnecessary or counter-productive ' code to be executed. ' ' Note: All events are enabled by default. Dim eventManager As CalendarLookEventManager = Me.UltraCalendarLook1.EventManager ' Disable the CalendarLookChanged event eventManager.SetEnabled(CalendarLookEventIds.CalendarLookChanged, False) ' Re-enable the CalendarLookChanged event eventManager.SetEnabled(CalendarLookEventIds.CalendarLookChanged, True) ' The 'AllEventsEnabled' property lets you enable/disable ' all events will a single line of code. If any event is ' disabled the 'AllEventsEnabled' property returns false. If Not eventManager.AllEventsEnabled Then eventManager.AllEventsEnabled = True End If ' The event manager also exposes an 'IsEnabled' method ' to see if an event is enabled or disbled. If Not eventManager.IsEnabled(CalendarLookEventIds.CalendarLookChanged) Then eventManager.SetEnabled(CalendarLookEventIds.CalendarLookChanged, True) End If ' The CanFireEvent method indicates whether the specified event can be fired. ' This can return false if the control is not in the correct state for the ' specified event to be fired. If eventManager.CanFireEvent(CalendarLookEventIds.CalendarLookChanged) Then Debug.WriteLine("The CalendarLookChanged event can be fired at this time.") Else Debug.WriteLine("The CalendarLookChanged event CANNOT be fired at this time.") End If ' The event manager also exposes overloaded ' 'IsEnabled' and 'SetEnabled' methods that take an ' event group so that, for example all 'Before' or all ' 'After' events can be enabled/disabled. If any event ' in the group is disabled the 'IsEnabled' method returns ' false. If Not eventManager.IsEnabled(CalendarLookEventGroups.AfterEvents) Then eventManager.SetEnabled(CalendarLookEventGroups.AfterEvents, True) End If ' The 'InProgress' method will return true if the ' specified event is currently being raised. This ' is often helpful in methods that can be called ' from various points in an application to determine ' what is triggering the call. If eventManager.InProgress(CalendarLookEventIds.CalendarLookChanged) Then ' ... End If End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinSchedule; private void button18_Click(object sender, System.EventArgs e) { // Get the UltraCalendarLook's event manager. // The event manager is used to temporarily disable events // to prevent them from being raised. This can be very // convenient in a situation where one or more properties // are being set in code and the events they would normally // raise would cause unnecessary or counter-productive // code to be executed. // // Note: All events are enabled by default. CalendarLookEventManager eventManager = this.ultraCalendarLook1.EventManager; // Disable the CalendarLookChanged event eventManager.SetEnabled(CalendarLookEventIds.CalendarLookChanged, false); // Re-enable the CalendarLookChanged event eventManager.SetEnabled(CalendarLookEventIds.CalendarLookChanged, true); // The 'AllEventsEnabled' property lets you enable/disable // all events will a single line of code. If any event is // disabled the 'AllEventsEnabled' property returns false. if ( !eventManager.AllEventsEnabled ) eventManager.AllEventsEnabled = true; // The event manager also exposes an 'IsEnabled' method // to see if an event is enabled or disbled. if (!eventManager.IsEnabled(CalendarLookEventIds.CalendarLookChanged)) eventManager.SetEnabled(CalendarLookEventIds.CalendarLookChanged, true ); // The CanFireEvent method indicates whether the specified event can be fired. // This can return false if the control is not in the correct state for the // specified event to be fired. if (eventManager.CanFireEvent(CalendarLookEventIds.CalendarLookChanged)) Debug.WriteLine("The CalendarLookChanged event can be fired at this time."); else Debug.WriteLine("The CalendarLookChanged event CANNOT be fired at this time."); // The event manager also exposes overloaded // 'IsEnabled' and 'SetEnabled' methods that take an // event group so that, for example all 'Before' or all // 'After' events can be enabled/disabled. If any event // in the group is disabled the 'IsEnabled' method returns // false. if (!eventManager.IsEnabled(CalendarLookEventGroups.AfterEvents)) eventManager.SetEnabled(CalendarLookEventGroups.AfterEvents, true ); // The 'InProgress' method will return true if the // specified event is currently being raised. This // is often helpful in methods that can be called // from various points in an application to determine // what is triggering the call. if (eventManager.InProgress(CalendarLookEventIds.CalendarLookChanged)) { // ... } }