AppointmentBaseCollection.FindAll(Predicate<Appointment>) Method

Finds all elements with a predicate match and returns them in a list collection.

Namespace: DevExpress.XtraScheduler

Assembly: DevExpress.XtraScheduler.v18.2.Core.dll

Declaration

C#

public AppointmentBaseCollection FindAll(
    Predicate<Appointment> match
)

VB.NET

Public Function FindAll(
    match As Predicate(Of Appointment)
) As AppointmentBaseCollection

Parameters

Name	Type	Description
match	Predicate<Appointment>	A predicate method delegate, which returns true if there’s a match and the element is found.

Returns

Type	Description
AppointmentBaseCollection	An AppointmentBaseCollection object containing items that meet the criteria.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the FindAll(Predicate<Appointment>) method.

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#

how-to-display-appointment-counter-at-the-scheduler-headers-e1840/CS/AppointmentCountInResourceHeader/Form1.cs#L46

private int CountAppointmentsByCriteria(SchedulerHeader rh, TimeInterval visTime) {
    AppointmentBaseCollection col = schedulerControl1.ActiveView.GetAppointments().FindAll(delegate(Appointment apt) { return (apt.ResourceIds.Contains(rh.Resource.Id) || (Object.Equals(apt.ResourceId, ResourceEmpty.Id))) && (visTime.Contains(new TimeInterval(apt.Start, apt.End))); });
    return col.Count;

VB.NET

how-to-display-appointment-counter-at-the-scheduler-headers-e1840/VB/AppointmentCountInResourceHeader/Form1.vb#L48

Private Function CountAppointmentsByCriteria(ByVal rh As SchedulerHeader, ByVal visTime As TimeInterval) As Integer
    Dim col As AppointmentBaseCollection = schedulerControl1.ActiveView.GetAppointments().FindAll(Function(apt As Appointment) (apt.ResourceIds.Contains(rh.Resource.Id) OrElse (Object.Equals(apt.ResourceId, ResourceEmpty.Id))) AndAlso (visTime.Contains(New TimeInterval(apt.Start, apt.End))))
    Return col.Count