void Target_MouseMove(object sender, MouseEventArgs e)
{
if (IsDown)
{
DeltaDelta = e.GetPosition(null) - CurrentPoint;
CurrentPoint += DeltaDelta;
if (!IsActive)
{
if (Math.Abs(Delta.X) >= SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(Delta.Y) >= SystemParameters.MinimumVerticalDragDistance)
{
IsActive = true;
CurrentListener = this;
if (Started != null)
{
Started(this);
}
}
}
if (IsActive && Changed != null)
{
Changed(this);
}
}
}
void Complete()
{
IsActive = false;
CurrentListener = null;
if (Completed != null)
{
Completed(this);
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
upButton = (DragRepeatButton)Template.FindName("PART_UpButton", this);
downButton = (DragRepeatButton)Template.FindName("PART_DownButton", this);
textBox = (TextBox)Template.FindName("PART_TextBox", this);
upButton.Click += new RoutedEventHandler(upButton_Click);
downButton.Click += new RoutedEventHandler(downButton_Click);
var upDrag = new DragListener(upButton);
var downDrag = new DragListener(downButton);
upDrag.Started += drag_Started;
upDrag.Changed += drag_Changed;
upDrag.Completed += drag_Completed;
downDrag.Started += drag_Started;
downDrag.Changed += drag_Changed;
downDrag.Completed += drag_Completed;
Print();
}
void drag_Completed(DragListener drag)
{
IsDragging = false;
OnDragCompleted();
}
void drag_Changed(DragListener drag)
{
IsDragging = true;
MoveValue(-drag.DeltaDelta.Y * SmallChange);
}
void drag_Started(DragListener drag)
{
OnDragStarted();
}
