void UpdateManipulationMode()
{
ManipulationModes modes = (_element.ManipulationMode == (ManipulationModes.None | ManipulationModes.System)) ? ManipulationModes.None : _element.ManipulationMode;
if (_mode.TranslateRailX())
{
modes |= ManipulationModes.None | ManipulationModes.TranslateRailsX | ManipulationModes.TranslateX;
}
if (_mode.TranslateRailY())
{
modes |= ManipulationModes.None | ManipulationModes.TranslateRailsY | ManipulationModes.TranslateY;
}
if (_mode.TranslateX())
{
modes |= ManipulationModes.None | ManipulationModes.TranslateX;
}
if (_mode.TranslateY())
{
modes |= ManipulationModes.None | ManipulationModes.TranslateY;
}
if (_mode.IsInertial())
{
modes |= ManipulationModes.None | ManipulationModes.TranslateInertia;
}
_element.ManipulationMode = modes;
}
void OnManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
{
if (_manipulationStarted)
{
Point translation = e.Delta.Translation;
Point point2 = e.Cumulative.Translation;
if (!_dragStarted && (((Math.Abs(point2.X) > _actualInitialThreshold) && _actualMode.TranslateX()) || ((Math.Abs(point2.Y) > _actualInitialThreshold) && _actualMode.TranslateY())))
{
Start(e);
}
if (_dragStarted)
{
_cumulativeTranslation = new Point(_cumulativeTranslation.X + translation.X, _cumulativeTranslation.Y + translation.Y);
RaiseDragDelta(e, _cumulativeTranslation, translation, e.IsInertial);
}
}
}