No. When the list goes out of scope, the objects on it go out of scope and are collected. You probably won't get it to work in a test situation as the GC is a bit funny about local variables which have no scope "depth". IE: A local that's not in a function or any block of code. If you try it in a function, it should demonstrate.
Function TestStuff()
Local L:TList=New TList
Local A:Thing=New Thing
L.AddLast(A)
End Function
Type Thing
Method Delete()
DebugLog("I was collected")
End Method
End Type
TestStuff()
GCCollect()
Delay(1000)
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