Hi,

I am using the CalHelper (as suggested by this) in order to convert RecurrenceRule back and forth to string in order to persist on the database.

With the minutely recurrence rule, it seems like the conversion is not done correctly.

Please check the below code:

            var recurrenceRule = new MinutelyRecurrenceRule();
            recurrenceRule.Start = new DateTime(2020, 4, 1);
            recurrenceRule.Interval = 30;
            recurrenceRule.End = new DateTime(2020, 4, 1, 2, 0, 0);
            var qString = CalHelper.RecurrenceRuleToString(recurrenceRule);
            RecurrenceRule recurrenceRule1;
            CalHelper.TryParseRecurrenceRule(qString, out recurrenceRule1);// recurrenceRule1 will be null

Is there a way to fix this issue?

Thanks,

Use the following code: 

    Public Sub New()
        InitializeComponent()

        RadSchedulerReminder1.TimeInterval = 500

        Dim appointment As New Appointment(DateTime.Now.AddDays(-1), TimeSpan.FromHours(1), "A")
        appointment.Reminder = New TimeSpan(10000)
        Me.RadScheduler1.Appointments.Add(appointment)

        Dim appointment2 As New Appointment(DateTime.Now.AddHours(-2), TimeSpan.FromHours(1), "B")
        appointment2.Reminder = New TimeSpan(10000)
        Me.RadScheduler1.Appointments.Add(appointment2)

        RadSchedulerReminder1.StartReminderInterval = Date.Now.AddDays(-1)
        RadSchedulerReminder1.EndReminderInterval = Date.Now.AddDays(1)

    End Sub

    Private Sub RadForm1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        RadSchedulerReminder1.StartReminder()

        RadScheduler1.ActiveViewType = SchedulerViewType.Week

    End Sub

Drag "A" on the same interval as "B". You will notice that the reminder dialog will continue to show only "B".

To reproduce:
1. Create a new Form
2. Add a Scheduler control and set Dock to Dock.Fill
3. Run the form
4. Add an appointment to the scheduler
5. Right-click the newly added appointment and start dragging it to move the appointment
6. Let go of the mouse button to drop

You will notice that the appointment will not be dropped and the context menu will show. 

A correct behavior should be chosen.

Workaround:

Stop the appointments from dragging with right-mouse:

MouseButtons lastButton;
void scheduler_MouseDown(object sender, MouseEventArgs e)
{
    this.lastButton = e.Button;
}

void DragDropBehavior_Starting(object sender, RadServiceStartingEventArgs e)
{
    e.Cancel = lastButton == System.Windows.Forms.MouseButtons.Right;
}

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Steps to reproduce:
1. Subscribe for the scheduler Appointments.CollectionChanged event.
2. Add a recurring appointment and delete a single occurrence.
You will see that the event is fired and the action is Add.

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