By default, the AutoArrange property is False. The AutoArrange property specifies whether the files are automatically kept arranged in icon and small icon view. Use the AlignToGrid property to specifies whether in icon view, icons automatically snap into a grid. 

The AutoArrange property has effect if the control's ViewMode property is:

• LargeIcons
• SmallIcon
• Thumbnail
• Tile
• Extra_Large_Icons
• Large_Icons
• Medium_Icons

The AutoArrange property has NO effect if the control's ViewMode property is:

• List
• Details