Last Updated: 30 Mar 2016 13:02 by ADMIN
Dess | Tech Support Engineer, Sr.
Created on: 03 Nov 2015 12:13
Category: Scheduler/Reminder
Type: Bug Report
FIX. RadScheduler - vertical scroll-bar goes down while the mouse cursor is moving up
To reproduce:

public Form1()

    this.radScheduler1.Appointments.Add(new Appointment(DateTime.Today.AddHours(1),TimeSpan.FromHours(3),"Meeting"));
    this.radScheduler1.ActiveViewType = SchedulerViewType.Week;
    this.radScheduler1.GetWeekView().RangeFactor = ScaleRange.HalfHour;
    this.radScheduler1.SchedulerElement.DragDropBehavior.AutoScrollDayViewOnDrag = true;
    this.Size = new Size(800, 350);

It's necessary to stretch down the application so that a few hours are shown (let's say 4 hours) and the appointment is a bit less, for example 3 hours. If you look at the gif, I am scrolling down around 14, then I'm stopping a bit, while always keeping the mouse button pressed, and then I start scrolling up: at that time the scroll results in going down until 19, instead of going up.

 this.radScheduler1.SchedulerElement.DragDropBehavior = new CustomAppointmentDraggingBehavior(this.radScheduler1.SchedulerElement);

public class CustomAppointmentDraggingBehavior : AppointmentDraggingBehavior
    public CustomAppointmentDraggingBehavior(SchedulerVisualElement activeOwner) : base(activeOwner)

    protected override void HandleMouseMove(Point mousePos)
        DayViewAppointmentsTable table = this.ActiveOwner.Scheduler.DragDropBehavior.ActiveOwner as DayViewAppointmentsTable;

        if (table != null && this.ActiveOwner.Scheduler.DragDropBehavior.AutoScrollDayViewOnDrag)
            Point pt = table.PointFromScreen(Control.MousePosition);
            FieldInfo fi = typeof(DayViewAppointmentsTable).GetField("lastMovingPoint", System.Reflection.BindingFlags.NonPublic 
                | System.Reflection.BindingFlags.Instance);
            fi.SetValue(table, pt);
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