![](/Skins/Menu_Side/LineTop.gif) | Overview |
![](/Skins/Menu_Side/LineMiddle.gif) | Features |
![](/Skins/Menu_Side/Expand.gif) | Reference Book |
![](/Skins/Menu_Side/Collapse.gif) | Live Demos |
| ![](/Skins/Menu_Side/Expand.gif) | Populating with Data |
| ![](/Skins/Menu_Side/Expand.gif) | Appearance |
| ![](/Skins/Menu_Side/Collapse.gif) | Behavior |
| ![](/Skins/Menu_Side/Expand.gif) | Programming |
| ![](/Skins/Menu_Side/Expand.gif) | Application scenarios |
| | ![](/Skins/Menu_Side/LineBottom.gif) | Update Panel |
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| | About Us | ![](/Products/Menu/Skins/APNSoft/ArrowUp.gif) |
| | | Products | ![](/Products/Menu/Skins/APNSoft/ArrowUp.gif) |
| | Solutions | ![](/Products/Menu/Skins/APNSoft/ArrowUp.gif) |
| | Support | ![](/Products/Menu/Skins/APNSoft/ArrowUp.gif) |
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Example demonstrates the vertical direction to which submenus expand. To achieve this, use the ExpandDirectionVertical property. The ExpandDirectionHorizontal property specifies the horizontal direction to which submenus expand.
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