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DxScheduler.AppointmentTooltipShowing Event

Fires before an appointment tooltip is shown.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.1.dll

NuGet Package: DevExpress.Blazor


public EventCallback<SchedulerAppointmentTooltipShowingEventArgs> AppointmentTooltipShowing { get; set; }

Event Data

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

Property Description
Appointment Specifies the target appointment. Inherited from SchedulerAppointmentOperationEventArgs.
Cancel Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.


You can set the event argument’s Cancel property to true to close the appointment tooltip. The following code snippet demonstrates how to cancel displaying a tooltip for all-day appointments.

<DxScheduler StartDate="@DateTime.Today"

@code {

    void OnAppointmentTooltipShowing(SchedulerAppointmentOperationEventArgs args) {
        if (args.Appointment.AllDay == true) {
            args.Cancel = true;
See Also