void UpdateGestureDirection(RoutedEventArgs originalArgs)
{
if (_direction == C1DragDirection.None)
{
Point position = C1InputEventArgs.GetPosition(originalArgs, null);
double x = position.X - _origin.X;
double num2 = position.Y - _origin.Y;
if ((x != 0.0) || (num2 != 0.0))
{
double num3 = Math.Sqrt(Math.Pow(x, 2.0) + Math.Pow(num2, 2.0));
double num4 = x / num3;
double num5 = num2 / num3;
if (Math.Abs(num5) < 0.4)
{
_direction = C1DragDirection.Horizontal;
}
else if (Math.Abs(num4) < 0.4)
{
_direction = C1DragDirection.Vertical;
}
else
{
_direction = C1DragDirection.Diagonal;
}
}
}
}
internal void Complete(RoutedEventArgs originalArgs = null)
{
if (_dragStarted)
{
_dragStarted = false;
_pointerPressed = false;
ReleaseMouseCapture();
_manipulationStarted = false;
_velocity = new Point();
_direction = C1DragDirection.None;
CompositionTarget.Rendering -= OnRendering;
RaiseDragCompleted(originalArgs, _cumulativeTranslation);
}
}
internal C1DragStartedEventArgs(C1DragHelper helper, RoutedEventArgs originalArgs, C1PointerDeviceType pointerType, Point origin, C1DragDirection direction)
: base(helper, originalArgs, pointerType)
{
Origin = origin;
Direction = direction;
}
// Methods
internal C1DragStartedEventArgs(C1DragHelper helper, RoutedEventArgs originalArgs, C1PointerDeviceType pointerType, Point origin, C1DragDirection direction)
: base(helper, originalArgs, pointerType)
{
Origin = origin;
Direction = direction;
}
private void UpdateGestureDirection(RoutedEventArgs originalArgs)
{
if (_direction == C1DragDirection.None)
{
var position = C1InputEventArgs.GetPosition(originalArgs, null);
var x = position.X - _origin.X;
var y = position.Y - _origin.Y;
if (x != 0 || y != 0)
{
var num = Math.Sqrt(Math.Pow(x, 2) + Math.Pow(y, 2));
var num1 = x/num;
if (Math.Abs(y/num) < 0.4)
{
_direction = C1DragDirection.Horizontal;
return;
}
if (Math.Abs(num1) < 0.4)
{
_direction = C1DragDirection.Vertical;
return;
}
_direction = C1DragDirection.Diagonal;
}
}
}
internal void Complete(RoutedEventArgs originalArgs = null)
{
if (_dragStarted)
{
_dragStarted = false;
_pointerPressed = false;
ReleaseMouseCapture();
_manipulationStarted = false;
_velocity = new Point();
_direction = C1DragDirection.None;
CompositionTarget.Rendering -= OnRendering;
RaiseDragCompleted(originalArgs, _cumulativeTranslation);
}
}
