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      How to: Customize an Appointment Recurrence Form
      How To: Implement a Custom Inplace Editor for Appointments
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View this topic on docs.devexpress.com (Learn more)

How to: Customize an Appointment Recurrence Form

This document explains how to customize the dialog that allows users to modify recurrence settings.

Expanded Add and remove occurence pattern options

The default Appointment Recurrence form contains the "Daily", "Weekly", "Monthly" and "Yearly" pattern options.

The "Minutely" and "Hourly" patterns are hidden initially. Use the SchedulerOptionsCustomization.RecurrenceFormEditors property to choose which pattern options should be available to users.

Expanded Custom recurrence form (versions 19.1 and older)

In v19.1 and older, you can create an AppointmentRecurrenceForm descendant and handle the SchedulerControl.EditAppointmentFormShowing event to replace a default form with this custom form.

See this GitHub example for a complete sample.

Expanded Custom recurrence form (versions 19.2 and newer)

In v19.1 and older, Appointment Recurrence Form editors were placed directly on the form's surface. Starting with v19.2, the form uses the LayoutControl to arrange its editors. The Layout Control ensures that the form has a correct layout when shown on HiDPI devices.

Due to this change, you cannot create custom AppointmentRecurrenceForm descendants and use them in v19.2 and newer. If you upgrade to v19.2 and want to use your custom forms, change your custom forms' base class from AppointmentRecurrenceForm to LegacyAppointmentRecurrenceForm.

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