public override Slide Previous()
{
Text slide = null;
// Check that next verse exists
if ((currentVerseIndex - 1) > 0)
{
// Decrement counter to previous verse
currentVerseIndex--;
// Create a text slide with the text of the verse.
slide = new Text();
slide.Content = Verses[currentVerseIndex].Text;
}
return slide;
}
public override Slide Next()
{
Text slide = null;
// Check that next verse exists
if (Verses.Count > (currentVerseIndex + 1))
{
// Increment counter to next verse
currentVerseIndex++;
// Create a text slide with the text of the verse.
slide = new Text();
slide.Content = Verses[currentVerseIndex].Text;
}
return slide;
}