onBeforeDrop

fires before an item is dragged to another target and the mouse button is released, cancelable

boolean onBeforeDrop(string|number id,string|number pId,number index){ ... };

Parameters

idstring|numberthe item's id
pIdstring|numberthe parent's id
indexnumberthe new item's index

Returns

booleantrue to allow operation

Example

myTreeView.attachEvent("onBeforeDrop", function(id, pId, index){
    // your code here
    return true;
});

Details

the event is blockable: return false to block the item's dropping

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