private void getNextImage()
        {
            int index = parentForm.GetImageIndex(fullPathCurrent); //parentForm.settings.Images.FindIndex(r => r.FullPath == fullPathCurrent);

            index++;                                               // go to the next entry
            if (index >= parentForm.olvImages.Items.Count)
            {
                index = 0;                                            // go to the start if needed
            }
            parentForm.olvImages.SelectedIndex = index;

            // set this form with the new information
            lblCurrentFile.Text = ((ImageInfo)parentForm.olvImages.SelectedItem.RowObject).Filename; //parentForm.settings.Images[index].FullPath;
            fullPathCurrent     = ((ImageInfo)parentForm.olvImages.SelectedItem.RowObject).FullPath; // parentForm.settings.Images[index].FullPath;

            parentForm.ScrollToSelectedImageItem(fullPathCurrent, true, true);

            load();

            parentForm.SaveSettings(string.Empty, this.parentForm.settings);
            //parentForm.ScrollToSelectedImageItem(index, true);
        }