///
/// <summary>
/// Calculate distance in pixels for each inertial step and start deceleration timer</summary>
///
private void InitializeInertialMove(
)
{
int trackingTime;
trackingTime = (int)(m_p2time - m_p1time).TotalMilliseconds;
m_timer.Stop();
m_element.ReleaseMouseCapture();
m_timer.Interval = TimeSpan.FromMilliseconds(DECELERATION_INTERVAL);
m_timer.Start();
MovingScroll = this;
m_incrementX = ((m_p2.X - m_p1.X) / trackingTime) * DECELERATION_INTERVAL;
m_incrementY = ((m_p2.Y - m_p1.Y) / trackingTime) * DECELERATION_INTERVAL;
}
public void Release(
)
{
bool sendDragStop;
MovingScroll = null;
sendDragStop = (m_inertialDragging || m_manualDragging);
m_inertialDragging = false;
m_manualDragging = false;
m_element.ReleaseMouseCapture();
m_timer.Stop();
if (OnDragStop != null && sendDragStop)
{
OnDragStop(m_p2);
}
}
public void Release(
)
{
Moving = false;
MovingScroll = null;
m_element.ReleaseMouseCapture();
m_timer.Stop();
m_timer.Tick -= OnTick;
m_inertialMode = false;
m_firstInertialStep = false;
m_p1 = m_p2 = new Point(0, 0);
if (OnDragStop != null)
{
OnDragStop(m_p2);
}
}
private void InertialScrollStep()
{
if (m_firstInertialStep)
{
m_timer.Stop();
m_element.ReleaseMouseCapture();
m_timer.Interval = TimeSpan.FromMilliseconds(DECELERATION_INTERVAL);
m_timer.Start();
Moving = true;
MovingScroll = this;
m_incrementX += ((m_p2.X - m_p1.X) / TRACKING_INTERVAL) * DECELERATION_INTERVAL;
m_incrementY += ((m_p2.Y - m_p1.Y) / TRACKING_INTERVAL) * DECELERATION_INTERVAL;
m_firstInertialStep = false;
}
m_p2.X += m_incrementX;
m_p2.Y += m_incrementY;
m_incrementX *= DECELERATION;
m_incrementY *= DECELERATION;
if (Math.Abs(m_incrementX) < MIN_POINTS && Math.Abs(m_incrementY) < MIN_POINTS)
{
Release();
}
else
{
if (OnDragMove != null)
{
OnDragMove(m_p1, m_p2);
}
m_p1 = m_p2;
}
}
public void Release(
)
{
bool sendDragStop;
MovingScroll = null;
sendDragStop = (m_inertialDragging || m_manualDragging);
m_inertialDragging = false;
m_manualDragging = false;
m_element.ReleaseMouseCapture();
m_timer.Stop();
if (OnDragStop != null && sendDragStop)
{
OnDragStop(m_p2);
}
}
///
/// <summary>
/// Calculate distance in pixels for each inertial step and start deceleration timer</summary>
///
private void InitializeInertialMove(
)
{
int trackingTime;
trackingTime = (int) (m_p2time - m_p1time).TotalMilliseconds;
m_timer.Stop();
m_element.ReleaseMouseCapture();
m_timer.Interval = TimeSpan.FromMilliseconds(DECELERATION_INTERVAL);
m_timer.Start();
MovingScroll = this;
m_incrementX = ((m_p2.X - m_p1.X) / trackingTime) * DECELERATION_INTERVAL;
m_incrementY = ((m_p2.Y - m_p1.Y) / trackingTime) * DECELERATION_INTERVAL;
}
