'Declaration
 
Protected Overrides Sub OnDropDownOpened( _
   ByVal e As EventArgs _
) 

'Usage
 
Dim instance As MultiColumnComboBox
Dim e As EventArgs
 
instance.OnDropDownOpened(e)

protected override void OnDropDownOpened( 
   EventArgs e
)

Parameters

e

An EventArgs that contains the event data..

.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

.NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

Reference

MultiColumnComboBox Class
MultiColumnComboBox Members
Base Implementation in OnDropDownOpened