WebContextMenuClientSideEvents Properties
| OnInitialize | Description Specifies the client side (JavaScript) function that will be invoked when the WebContextMenu object is in initialization process. ValueType String Default Value |
| OnShowMenu | Description Specifies the client side (JavaScript) function that will be invoked when the WebContextMenu shows the menu. ValueType String Default Value |
| OnMenuItemClick | Description Specifies the client side (JavaScript) function that will be invoked when the WebContextMenu Item is clicked. ValueType String Default Value |