private void OnMouseDragDelta(DragDeltaEventArgs delta, IMoveableViewModel moveableViewModel)
{
moveableViewModel.CanvasX += delta.HorizontalChange;
moveableViewModel.CanvasY += delta.VerticalChange;
Raise_MovedEvent(delta);
}
public void MouseDown(MouseButtonEventArgs mouseButtonEventArgs, IMoveableViewModel moveableViewModel)
{
_isMouseDown = true;
moveableViewModel.ZIndex = 999;
_startPosition = mouseButtonEventArgs.GetPosition(_parentControl);
mouseButtonEventArgs.Handled = true;
}
public void MouseMove(MouseEventArgs mouseEventArgs, IMoveableViewModel moveableViewModel)
{
if (_isMouseDown)
{
var currentPosition = mouseEventArgs.GetPosition(_parentControl);
var delta = currentPosition.Delta(_startPosition);
if (delta.HorizontalChange != 0 || delta.VerticalChange != 0)
{
OnMouseDragDelta(delta, moveableViewModel);
}
mouseEventArgs.Handled = true;
}
}
