public override void OnApplyTemplate()
{
var timeSpan = new TimeSpan (0,0,0,1);
m_first = GetTemplateChild ("REQUIRED_FOR_FIRST_ANIMATION") as PresentingSlideControl;
m_second = GetTemplateChild ("REQUIRED_FOR_SECOND_ANIMATION") as PresentingSlideControl;
if (m_first != null)
{
m_first.Opacity = 0;
m_showFirstStoryboard = new Storyboard ();
m_showFirstStoryboard.AnimateProperty (
m_first,
OpacityProperty,
timeSpan,
1.0
);
m_hideFirstStoryboard = new Storyboard ();
m_hideFirstStoryboard.AnimateProperty (
m_first,
OpacityProperty,
timeSpan,
0.0
);
}
if (m_second != null)
{
m_second.Opacity = 0;
m_showSecondStoryboard = new Storyboard ();
m_showSecondStoryboard.AnimateProperty (
m_second,
OpacityProperty,
timeSpan,
1.0
);
m_hideSecondStoryboard = new Storyboard ();
m_hideSecondStoryboard.AnimateProperty (
m_second,
OpacityProperty,
timeSpan,
0.0
);
}
base.OnApplyTemplate ();
}
void ShowHideSlide(
int i,
PresentingSlideControl showPresenter,
Storyboard hideStoryboard,
Storyboard showStoryboard,
State nextState
)
{
var currentIndex = Presentation.Slides.IndexOf (CurrentSlide);
var nextIndex = currentIndex + i;
if (
currentIndex < 0
|| !nextIndex.Between (0, Presentation.Slides.Count - 1)
)
{
CurrentSlide = null;
showPresenter.Slide = null;
hideStoryboard.Begin ();
m_state = i > 0 ? State.Finished : State.Start;
}
else
{
CurrentSlide = Presentation.Slides[nextIndex];
showPresenter.Slide = CurrentSlide;
hideStoryboard.Begin ();
showStoryboard.Begin ();
m_state = nextState;
}
}