// Decrement the selected choice index
public void DecrementSelection()
{
int newIndex = SelectedChoiceIndex - 1;
// Make sure the decrement is not less than 0
if (newIndex < 0)
{
// Make the index wrap back around to the array's maximum index
SelectedChoiceIndex = Choices.GetUpperBound(0);
}
else
{
// The proposed index is not less than 0; decrement the index
SelectedChoiceIndex = newIndex;
}
}
/* INCREMENT/DECREMENT METHODS */
// Increment the selected choice index
public void IncrementSelection()
{
// Make sure that we're not going out of bounds, and if we are, loop back to index 0
int newIndex = SelectedChoiceIndex + 1;
// If the new proposed index is more than the last index in the Choices array
if (newIndex > Choices.GetUpperBound(0))
{
// Set the selected choice index to 0
SelectedChoiceIndex = 0;
}
else
{
// The proposed index is not more than the last index in the choices array, set it to the propsed index
SelectedChoiceIndex = newIndex;
}
}