/// <summary>
/// 设置当前项
/// </summary>
public void SetCurItem(ImageItem curItem)
{
_curItem = curItem;
if (!_inited && _loaded)
{
Init();
}
}
/// <summary>
/// 当前项变化
/// </summary>
private void SelectionChanged(int newIndex, int oldIndex)
{
var old = _images.IndexOf(_curItem);
if (old == newIndex || newIndex == -1) return;
int start = -1, end = -1;
if (old > newIndex)
{
start = newIndex;
end = old;
}
else
{
start = old;
end = newIndex;
}
for (int i = start; i < end; i++)
{
GotoPreOrNext(newIndex > old);
}
_curItem = _images[newIndex];
}