DXOutlook365Sync.MergeSingleItem Event

Allows you to specify a merge action based on a condition.

Namespace: DevExpress.XtraScheduler.Microsoft365Calendar

Assembly: DevExpress.XtraScheduler.v23.2.Microsoft365Calendar.dll

NuGet Package: DevExpress.Scheduler.Core.Desktop.Microsoft365Calendar

Declaration

C#

public event EventHandler<Outlook365CalendarMergeEventArgs> MergeSingleItem

VB.NET

Public Event MergeSingleItem As EventHandler(Of Outlook365CalendarMergeEventArgs)

Event Data

The MergeSingleItem event's data class is Outlook365CalendarMergeEventArgs. The following properties provide information specific to this event:

Property	Description
ActionType	Gets or sets a merge action.
Handled	Gets or sets a value that specifies whether a merge operation was handled and no default processing is required.
IsMergeConflict	Gets a value that indicates whether a merge conflict was detected.
OutlookEvent	Gets a source event in a user calendar or the default calendar in Outlook365.
SchedulerAppointment	Gets a source appointment.
TargetOutlookEvent	Gets or sets the target Outlook 365 event.
TargetSchedulerAppointment	Gets or sets the target appointment.

The event data class exposes the following methods:

Method	Description
ConvertAppointmentToEvent(Appointment)	Converts the specified appointment to an Outlook 365 event.
ConvertEventToAppointment(Event, String, Boolean)	Converts the specified Outlook 365 event to an appointment.

Remarks

The MergeSingleItem event occurs for each appointment/event pair during an export, an import, or a merge operation and allows you to redefine a merge action based on a condition. Use the e.ActionType property to specify the merge action.

The following example demonstrates how to import Outlook 365 events that have not started.

C#

using DevExpress.XtraScheduler.Microsoft365Calendar;

dxOutlook365Sync1.MergeSingleItem += DxOutlook365Sync1_MergeSingleItem;
private void DxOutlook365Sync1_MergeSingleItem(object sender, Outlook365CalendarMergeEventArgs e) {
    if(e.OutlookEvent != null && e.OutlookEvent.Start.ToDateTime() < DateTime.Now)
        e.ActionType = MergeActionType.DoNothing;
}

VB.NET

Imports DevExpress.XtraScheduler.Microsoft365Calendar

Private dxOutlook365Sync1.MergeSingleItem += AddressOf DxOutlook365Sync1_MergeSingleItem
Private Sub DxOutlook365Sync1_MergeSingleItem(ByVal sender As Object, ByVal e As Outlook365CalendarMergeEventArgs)
    If e.OutlookEvent IsNot Nothing AndAlso e.OutlookEvent.Start.ToDateTime() < Date.Now Then
        e.ActionType = MergeActionType.DoNothing
    End If
End Sub

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the MergeSingleItem event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-scheduler-synchronize-appointments-with-outlook-365/CS/DXOutlook365Sync/Form1.cs#L23

dxOutlook365Sync1.InitComplete += DxOutlook365Sync1_InitComplete;
dxOutlook365Sync1.MergeSingleItem += DxOutlook365Sync1_MergeSingleItem;
dxOutlook365Sync1.MergeConflictResolve += DxOutlook365Sync1_MergeConflictResolve;

VB.NET

winforms-scheduler-synchronize-appointments-with-outlook-365/VB/DXOutlook365Sync/Form1.vb#L24

AddHandler dxOutlook365Sync1.InitComplete, AddressOf DxOutlook365Sync1_InitComplete
AddHandler dxOutlook365Sync1.MergeSingleItem, AddressOf DxOutlook365Sync1_MergeSingleItem
AddHandler dxOutlook365Sync1.MergeConflictResolve, AddressOf DxOutlook365Sync1_MergeConflictResolve