Hello!
Main functions of this program...
1. Thumbnail list scrolling (3 variants).
1.1. Press left button on the thumbnil list and move mouse while pressing it.
1.2. Rotate scroll wheel on your mouse.
1.3. Move your mouse to the scroll bar, press left button and move mouse while pressing it.
2. Open picture (1 variant).
2.1. Move your mouse to the thumbnail. Press left button and release it not moving the mouse. (If you move mouse while pressing left button, scrolling will start)
3. Move picture (1 variant).
3.1. Move your mouse to the picture. press left button and move mouse while pressing it.
4. Resizing picture (1 variant).
4.1. 5. Program menu (1 variant).
5.1. Move mouse to the upper edge of the window.
6. Change disk (1 variant).
6.1. Call program menu, move your mouse to the disk icon and press left button.
7. Next or Previouse picture (1 variant).
7.1. Call program menu, move your mouse to the "Next" or "Prev" icon and press left button.
8. Help (1 variant).
8.1. Call program menu, move your mouse to the "Help" icon and press left button.

Enjoy this program!
David Kharabadze.