'Declaration Public Event DateNavigationButtonClicked As DateNavigationButtonClickedHandler
public event DateNavigationButtonClickedHandler DateNavigationButtonClicked
The event handler receives an argument of type DateNavigationButtonClickedEventArgs containing data related to this event. The following DateNavigationButtonClickedEventArgs properties provide information specific to this event.
Property | Description |
---|---|
ButtonAction | Returns or sets a value which determines the navigational action that will be taken when execution returns from the event. |
DateTimeInterval | Returns the DateTimeInterval instance associated with the column header whose date navigation button was clicked. |
DateTimeRange | Returns a DateTimeRange instance which describes the date/time range spanned by the column header whose date navigation button was clicked. |
NavigationDirection | Returns a value which determines the direction of navigation, i.e., whether the user is navigating forward or backward. |
Imports System.Collections.Generic Imports Infragistics.Win Imports Infragistics.Win.UltraWinSchedule Imports System.Diagnostics AddHandler Me.ultraTimeLineView1.DateNavigationButtonClicked, AddressOf Me.OnDateNavigationButtonClicked Private Sub OnDateNavigationButtonClicked(ByVal sender As Object, ByVal e As DateNavigationButtonClickedEventArgs) Dim control As UltraTimelineView = sender Dim timeInterval As TimeInterval = e.DateTimeInterval If Not timeInterval Is Nothing AndAlso _ timeInterval.DateNavigationButtonActionResolved = TimelineViewDateNavigationButtonAction.None Then Dim tzi As TimeZoneInfo = timeInterval.TimeZone If Not tzi Is Nothing AndAlso Not TimeZoneInfo.CurrentTimeZone Is Nothing Then ' Get the StartDateTime from the DateRange, which will ' contain the local time for that TimeZone. Dim nextDate As DateTime = e.DateTimeRange.StartDateTime ' Convert the local time for that TimeZone into local time ' for the current time zone nextDate = New DateTime(nextDate.Ticks, DateTimeKind.Local) Dim utc As DateTime = nextDate.Add(tzi.UtcOffset) If (tzi.IsDaylightSavingTime(utc)) Then utc = utc.Add(tzi.DaylightUtcOffset) nextDate = TimeZoneInfo.CurrentTimeZone.ToLocalTime(utc, DateTimeKind.Utc) ' Get the next/previous date depending on the navigation direction. Dim forward As Boolean = IIf(e.NavigationDirection = DateNavigationDirection.Forward, True, False) nextDate = timeInterval.GetNextDate(nextDate, forward) ' Call EnsureDateTimeVisible to navigate to the date control.EnsureDateTimeVisible(nextDate, forward = False) End If End If End If End Sub
using System.Collections.Generic; using Infragistics.Win; using Infragistics.Win.UltraWinSchedule; using System.Diagnostics; this.ultraTimeLineView1.DateNavigationButtonClicked += new DateNavigationButtonClickedHandler(this.OnDateNavigationButtonClicked); private void OnDateNavigationButtonClicked(object sender, DateNavigationButtonClickedEventArgs e) { UltraTimelineView control = sender as UltraTimelineView; TimeInterval timeInterval = e.DateTimeInterval as TimeInterval; if ( timeInterval != null && timeInterval.DateNavigationButtonActionResolved == TimelineViewDateNavigationButtonAction.None ) { TimeZoneInfo tzi = timeInterval.TimeZone; if ( tzi != null && TimeZoneInfo.CurrentTimeZone != null ) { // Get the StartDateTime from the DateRange, which will // contain the local time for that TimeZone. DateTime next = e.DateTimeRange.StartDateTime; // Convert the local time for that TimeZone into local time // for the current time zone next = new DateTime( next.Ticks, DateTimeKind.Local ); DateTime utc = next.Add( tzi.UtcOffset ); if ( tzi.IsDaylightSavingTime(utc) ) utc = utc.Add( tzi.DaylightUtcOffset ); next = TimeZoneInfo.CurrentTimeZone.ToLocalTime( utc, DateTimeKind.Utc ); // Get the next/previous date depending on the navigation direction. bool forward = e.NavigationDirection == DateNavigationDirection.Forward; next = timeInterval.GetNextDate( next, forward ); // Call EnsureDateTimeVisible to navigate to the date control.EnsureDateTimeVisible( next, forward == false ); } } }
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