void SetPrevImage()
{
if (!DishImages.Any())
{
return;
}
if (DishImageIndex == null)
{
DishImageIndex = 0;
}
else
{
if (DishImageIndex != 0)
{
DishImageIndex--;
}
else
{
DishImageIndex = DishImages.Count;
}
}
if (DishImageIndex == null)
{
return;
}
DishPicturebox.Image = ImageHelper.ByteArrayToImage(DishImages[DishImageIndex.Value].Image);
}
private void SetNexImage()
{
if (!DishImages.Any())
{
return;
}
if (DishImageIndex == null)
{
DishImageIndex = 0;
}
else
{
if (DishImageIndex != DishImages.Count - 1)
{
DishImageIndex++;
}
else
{
DishImageIndex = 0;
}
}
if (DishImageIndex == null)
{
return;
}
DishPicturebox.Image = ImageHelper.ByteArrayToImage(DishImages[DishImageIndex.Value].Image);
}