'Declaration
<System.ComponentModel.DescriptionAttribute("Occurs when the NComboBox is about to display its drop-down part.")> Public Event BeforeDrop As System.EventHandler
'Usage
Dim instance As NComboBox Dim handler As System.EventHandler AddHandler instance.BeforeDrop, handler
[System.ComponentModel.Description("Occurs when the NComboBox is about to display its drop-down part.")] public event System.EventHandler BeforeDrop