Resizing

18 Aug 20238 minutes to read

Another way of rescheduling an appointment can be done by resizing it through either of its handlers. To work with resizing functionality make sure that AllowResizing property is set to true.

To get start quickly about resize options available in our Scheduler, you can check on this video:

Disable the resize action

By default, resizing of events is allowed on all Scheduler views except Agenda and Month-Agenda view. To disable this event resizing action, set false to the AllowResizing property.

@using Syncfusion.Blazor.Schedule

<SfSchedule TValue="AppointmentData" Height="550px" AllowResizing="false" @bind-SelectedDate="@CurrentDate">
    <ScheduleEventSettings DataSource="@DataSource"></ScheduleEventSettings>
    <ScheduleViews>
        <ScheduleView Option="View.Day"></ScheduleView>
        <ScheduleView Option="View.Week"></ScheduleView>
        <ScheduleView Option="View.WorkWeek"></ScheduleView>
        <ScheduleView Option="View.Month"></ScheduleView>
        <ScheduleView Option="View.Agenda"></ScheduleView>
    </ScheduleViews>
</SfSchedule>

@code{
    DateTime CurrentDate = new DateTime(2020, 1, 31);
    List<AppointmentData> DataSource = new List<AppointmentData>
    {
        new AppointmentData { Id = 1, Subject = "Meeting", StartTime = new DateTime(2020, 1, 31, 9, 30, 0) , EndTime = new DateTime(2020, 1, 31, 11, 0, 0)}
    };
    public class AppointmentData
    {
        public int Id { get; set; }
        public string Subject { get; set; }
        public string Location { get; set; }
        public DateTime StartTime { get; set; }
        public DateTime EndTime { get; set; }
        public string Description { get; set; }
        public bool IsAllDay { get; set; }
        public string RecurrenceRule { get; set; }
        public string RecurrenceException { get; set; }
        public Nullable<int> RecurrenceID { get; set; }
    }
}

Disable scrolling on resize action

By default, while resizing an appointment, when its handler reaches the extreme edges of the Scheduler, scrolling action will takes place along with event resizing. To prevent this scrolling action, set false to Scroll value within the OnResizeStart event.

@using Syncfusion.Blazor.Schedule

<SfSchedule TValue="AppointmentData" Height="550px" @bind-SelectedDate="@CurrentDate">
    <ScheduleEvents TValue="AppointmentData" OnResizeStart="OnAppointmentResize"></ScheduleEvents>
    <ScheduleEventSettings DataSource="@DataSource"></ScheduleEventSettings>
    <ScheduleViews>
        <ScheduleView Option="View.Day"></ScheduleView>
        <ScheduleView Option="View.Week"></ScheduleView>
        <ScheduleView Option="View.WorkWeek"></ScheduleView>
        <ScheduleView Option="View.Month"></ScheduleView>
        <ScheduleView Option="View.Agenda"></ScheduleView>
    </ScheduleViews>
</SfSchedule>

@code{
    DateTime CurrentDate = new DateTime(2020, 1, 31);
    public void OnAppointmentResize(ResizeEventArgs<AppointmentData> args)
    {
        args.Scroll.Enable = false;
    }
    List<AppointmentData> DataSource = new List<AppointmentData>
    {
        new AppointmentData { Id = 1, Subject = "Meeting", StartTime = new DateTime(2020, 1, 31, 9, 30, 0) , EndTime = new DateTime(2020, 1, 31, 11, 0, 0)}
    };
    public class AppointmentData
    {
        public int Id { get; set; }
        public string Subject { get; set; }
        public string Location { get; set; }
        public DateTime StartTime { get; set; }
        public DateTime EndTime { get; set; }
        public string Description { get; set; }
        public bool IsAllDay { get; set; }
        public string RecurrenceRule { get; set; }
        public string RecurrenceException { get; set; }
        public Nullable<int> RecurrenceID { get; set; }
    }
}

Controlling scroll speed while resizing an event

The speed of the scrolling action while resizing an appointment to the Scheduler edges, can be controlled within the OnResizeStart event by setting the desired value to the ScrollBy option.

@using Syncfusion.Blazor.Schedule

<SfSchedule TValue="AppointmentData" Height="550px" @bind-SelectedDate="@CurrentDate">
    <ScheduleEvents TValue="AppointmentData" OnResizeStart="OnAppointmentResize"></ScheduleEvents>
    <ScheduleEventSettings DataSource="@DataSource"></ScheduleEventSettings>
    <ScheduleViews>
        <ScheduleView Option="View.Day"></ScheduleView>
        <ScheduleView Option="View.Week"></ScheduleView>
        <ScheduleView Option="View.WorkWeek"></ScheduleView>
        <ScheduleView Option="View.Month"></ScheduleView>
        <ScheduleView Option="View.Agenda"></ScheduleView>
    </ScheduleViews>
</SfSchedule>

@code{
    DateTime CurrentDate = new DateTime(2020, 1, 31);
    public void OnAppointmentResize(ResizeEventArgs<AppointmentData> args)
    {
        args.Scroll.ScrollBy = 15;
    }
    List<AppointmentData> DataSource = new List<AppointmentData>
    {
        new AppointmentData { Id = 1, Subject = "Meeting", StartTime = new DateTime(2020, 1, 31, 9, 30, 0) , EndTime = new DateTime(2020, 1, 31, 11, 0, 0)}
    };
    public class AppointmentData
    {
        public int Id { get; set; }
        public string Subject { get; set; }
        public string Location { get; set; }
        public DateTime StartTime { get; set; }
        public DateTime EndTime { get; set; }
        public string Description { get; set; }
        public bool IsAllDay { get; set; }
        public string RecurrenceRule { get; set; }
        public string RecurrenceException { get; set; }
        public Nullable<int> RecurrenceID { get; set; }
    }
}

Setting resize time interval

By default, while resizing an appointment, it extends or shrinks at an interval of 30 minutes. To change this default resize interval, set appropriate values to Interval option within the OnResizeStart event.

@using Syncfusion.Blazor.Schedule

<SfSchedule TValue="AppointmentData" Height="550px" @bind-SelectedDate="@CurrentDate">
    <ScheduleEvents TValue="AppointmentData" OnResizeStart="OnAppointmentResize"></ScheduleEvents>
    <ScheduleEventSettings DataSource="@DataSource"></ScheduleEventSettings>
    <ScheduleViews>
        <ScheduleView Option="View.Day"></ScheduleView>
        <ScheduleView Option="View.Week"></ScheduleView>
        <ScheduleView Option="View.WorkWeek"></ScheduleView>
        <ScheduleView Option="View.Month"></ScheduleView>
        <ScheduleView Option="View.Agenda"></ScheduleView>
    </ScheduleViews>
</SfSchedule>

@code{
    DateTime CurrentDate = new DateTime(2020, 1, 31);
    public void OnAppointmentResize(ResizeEventArgs<AppointmentData> args)
    {
        args.Interval = 10;
    }
    List<AppointmentData> DataSource = new List<AppointmentData>
    {
        new AppointmentData { Id = 1, Subject = "Meeting", StartTime = new DateTime(2020, 1, 31, 9, 30, 0) , EndTime = new DateTime(2020, 1, 31, 11, 0, 0)}
    };
    public class AppointmentData
    {
        public int Id { get; set; }
        public string Subject { get; set; }
        public string Location { get; set; }
        public DateTime StartTime { get; set; }
        public DateTime EndTime { get; set; }
        public string Description { get; set; }
        public bool IsAllDay { get; set; }
        public string RecurrenceRule { get; set; }
        public string RecurrenceException { get; set; }
        public Nullable<int> RecurrenceID { get; set; }
    }
}