EventManager プロパティ

UltraStatusBar固有イベントを有効または無効にし、イベントの発生を制御するオブジェクト。

シンタックス

Visual Basic

'宣言
 
Public ReadOnly Property EventManager As StatusBarEventManager

C#

public StatusBarEventManager EventManager {get;}

使用例

Visual Basic

Imports Infragistics.Win.UltraWinStatusBar

Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click

    ' Get the status bar control'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 StatusBarEventManager

    eventManager = Me.ultraStatusBar1.EventManager

    ' Disable the PanelClick event
    eventManager.SetEnabled(StatusBarEventIds.ButtonClick, False)

    ' Toggle the 'Checked' property of a state button style panel.
    ' Note: This would normally cause the ButtonClick events to 
    ' be raised. However, since the above code disabled the event
    ' it won't be.
    Me.ultraStatusBar1.Panels("P6").Checked = Not Me.ultraStatusBar1.Panels("P6").Checked()

    ' Re-enable the PanelClick event
    eventManager.SetEnabled(StatusBarEventIds.ButtonClick, 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(StatusBarEventIds.ButtonClick) Then
        eventManager.SetEnabled(StatusBarEventIds.ButtonClick, True)
    End If

    ' The status bar 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(StatusBarEventGroups.BeforeEvents) Then
        eventManager.SetEnabled(StatusBarEventGroups.BeforeEvents, True)
    End If

    eventManager.SetEnabled(StatusBarEventGroups.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(StatusBarEventIds.ButtonClick) Then
        ' ... 
    End If

End Sub

C#

using Infragistics.Win.UltraWinStatusBar;

private void button1_Click(object sender, System.EventArgs e)
{

	// Get the status bar control'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.
	StatusBarEventManager eventManager = this.ultraStatusBar1.EventManager;

	// Disable the PanelClick event
	eventManager.SetEnabled( StatusBarEventIds.ButtonClick, false );

	// Toggle the 'Checked' property of a state button style panel.
	// Note: This would normally cause the ButtonClick events to 
	// be raised. However, since the above code disabled the event
	// it won't be.
	this.ultraStatusBar1.Panels[0].Checked = 
		!this.ultraStatusBar1.Panels[0].Checked;

	// Re-enable the PanelClick event
	eventManager.SetEnabled( StatusBarEventIds.ButtonClick, 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(StatusBarEventIds.ButtonClick ) )
		eventManager.SetEnabled(StatusBarEventIds.ButtonClick, true );

	// The status bar 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(StatusBarEventGroups.BeforeEvents ) )
		eventManager.SetEnabled(StatusBarEventGroups.BeforeEvents, true );

	eventManager.SetEnabled(StatusBarEventGroups.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( StatusBarEventIds.ButtonClick ) )
	{
		// ... 
	}
		
}