'宣言 Public Overloads Function IsEnabled( _ ByVal eventid As TabbedMdiEventIds _ ) As Boolean
public bool IsEnabled( TabbedMdiEventIds eventid )
EventManager はコントロールのイベントを選択的に有効または無効にするために使用します。指定したイベントが有効の場合、このメソッドはTrueを返し、該当する条件が発生したときにイベントプロシージャー内のコードが実行されます。このメソッドが False を返す場合、イベントは無効となり、イベント プロシージャー内のコードは実行されません。
Imports Infragistics.Win Imports Infragistics.Win.UltraWinTabs Imports Infragistics.Win.UltraWinTabbedMdi Private Sub miEventManager_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles miEventManager.Click ' 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. ' Get the component's event manager. Dim eventManager As TabbedMdiEventManager = Me.ultraTabbedMdiManager1.EventManager ' Disable the events that will be invoked when a tab is moved ' to a new group eventManager.SetEnabled(TabbedMdiEventIds.TabGroupResizing, False) eventManager.SetEnabled(TabbedMdiEventIds.TabGroupResized, False) eventManager.SetEnabled(TabbedMdiEventIds.TabMoving, False) eventManager.SetEnabled(TabbedMdiEventIds.TabMoved, False) ' Move a tab in the first group to a new group ' Note: Moving the tab to a new group will normally cause the ' TabMoving/ed and TabGroupResizing/ed events to be invoked since ' we have disabled them, they won't be raised. If Me.ultraTabbedMdiManager1.TabGroups.Count > 0 AndAlso Me.ultraTabbedMdiManager1.TabGroups(0).Tabs.Count > 1 Then Me.ultraTabbedMdiManager1.TabGroups(0).Tabs(0).MoveToNewGroup(MdiTabGroupPosition.Last) End If ' Re-enable the events eventManager.SetEnabled(TabbedMdiEventIds.TabGroupResizing, True) eventManager.SetEnabled(TabbedMdiEventIds.TabGroupResized, True) eventManager.SetEnabled(TabbedMdiEventIds.TabMoving, True) eventManager.SetEnabled(TabbedMdiEventIds.TabMoved, 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(TabbedMdiEventIds.InitializeTab) Then eventManager.SetEnabled(TabbedMdiEventIds.InitializeTab, True) 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(TabbedMdiEventGroups.BeforeEvents) Then eventManager.SetEnabled(TabbedMdiEventGroups.BeforeEvents, True) End If eventManager.SetEnabled(TabbedMdiEventGroups.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(TabbedMdiEventIds.TabDisplaying) Then ' ... End If End Sub
using Infragistics.Win; using Infragistics.Win.UltraWinTabs; using Infragistics.Win.UltraWinTabbedMdi; private void miEventManager_Click(object sender, System.EventArgs e) { // 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. // Get the component's event manager. TabbedMdiEventManager eventManager = this.ultraTabbedMdiManager1.EventManager; // Disable the events that will be invoked when a tab is moved // to a new group eventManager.SetEnabled( TabbedMdiEventIds.TabGroupResizing, false ); eventManager.SetEnabled( TabbedMdiEventIds.TabGroupResized, false ); eventManager.SetEnabled( TabbedMdiEventIds.TabMoving, false ); eventManager.SetEnabled( TabbedMdiEventIds.TabMoved, false ); // Move a tab in the first group to a new group // Note: Moving the tab to a new group will normally cause the // TabMoving/ed and TabGroupResizing/ed events to be invoked since // we have disabled them, they won't be raised. if (this.ultraTabbedMdiManager1.TabGroups.Count > 0 && this.ultraTabbedMdiManager1.TabGroups[0].Tabs.Count > 1) { this.ultraTabbedMdiManager1.TabGroups[0].Tabs[0].MoveToNewGroup(MdiTabGroupPosition.Last); } // Re-enable the events eventManager.SetEnabled( TabbedMdiEventIds.TabGroupResizing, true ); eventManager.SetEnabled( TabbedMdiEventIds.TabGroupResized, true ); eventManager.SetEnabled( TabbedMdiEventIds.TabMoving, true ); eventManager.SetEnabled( TabbedMdiEventIds.TabMoved, 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(TabbedMdiEventIds.InitializeTab ) ) eventManager.SetEnabled(TabbedMdiEventIds.InitializeTab, true ); // 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(TabbedMdiEventGroups.BeforeEvents ) ) eventManager.SetEnabled(TabbedMdiEventGroups.BeforeEvents, true ); eventManager.SetEnabled(TabbedMdiEventGroups.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( TabbedMdiEventIds.TabDisplaying ) ) { // ... } }