You can wipe between two pictures vertically or horizontally. Additionally, comparison can be made between four images. Right click on the AB Wipe Compare button to see some context options.
A/B Horizontal – Select two images to wipe horizontally.
A/B Vertical – Select two images to wipe vertically.
A/B/C/D – Select four images to compare.
Gray/Green/Orange Wipe Bar – Select the wipe bar color.