>I have a list with Multiselect set to true.
>
>When I have multiple items selected, the right click on any of the
>selected items, it clear all selections except the one I right clicked
>on.
>
>Any way to prevent this from happening?

*** Listbox.MouseDown()
LPARAMETERS nButton, nShift, nXCoord, nYCoord
IF nButton = 2
	NODEFAULT
ENDIF

But that will also completely disable selecting items in this listbox with the Right Click.