Event OnPlusMinus

Last Updated: 5/7/2009

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Topics in this section:
Property UserData
Property CSS
Event OnPlusMinus
Property DoServerSidePlusMinus
ScrollToName
TIWTreeViewItems.Add
Code Samples

OnPlusMinus is called each time the user clicks the plus/minus buttons.  This can let the programmer take any action desired as the result of expanding a tree node.  For example, rather than populating the TreeView items list with an entire directory structure, the programmer can handle OnPlusMinus to obtain just the needed directories as each click is made, and re-populate the items list in the instant the data is needed.  This property is optional as long as the items list is populated.

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