void MultiScaleImage_Translate(object sender, GestureTranslateEventArgs e)
{
if (GesturesInterpreter.Fingers.Count == 1 && GesturesInterpreter.CurrentGesture >= TouchGesture.MOVE_WEST && GesturesInterpreter.CurrentGesture <= TouchGesture.MOVE_SOUTHEAST)
{
Point p0 = e.Finger.Position;
p0 = _msi.ElementToLogicalPoint(p0);
Point p1 = _lastlocation;
Point shift = new Point(p0.X - p1.X, p0.Y - p1.Y);
_msi.ViewportOrigin = new Point(_msi.ViewportOrigin.X - shift.X * 2, _msi.ViewportOrigin.Y - shift.Y * 2);
}
}
void _gesturesinterpreter_Translate(object sender, GestureTranslateEventArgs e)
{
}
void _gesturesinterpreter_Translate(object sender, GestureTranslateEventArgs e)
{
if (Translate != null) Translate(this, e);
}