Overrule problem

Toshi

Following program seems to run normally.
But visual studio debug output telling me this warnings.
Forgot to call Dispose? (Teigha.DatabaseServices.AlignedDimension): DisposableWrapper
How can I avoid this warnings?
[code]

Friend Shared testOverrule As myOverruler = Nothing<</span>CommandMethod("test")>Public Shared Sub Test()  If testOverrule Is Nothing Then    testOverrule = New myOverruler()    Overrule.AddOverrule(RXObject.GetClass(GetType(Dimension)), testOverrule, True)    Overrule.Overruling = True  Else    Overrule.RemoveOverrule(RXObject.GetClass(GetType(Dimension)), testOverrule)    Overrule.Overruling = False    testOverrule = Nothing  End If  Application.DocumentManager.MdiActiveDocument.Editor.Regen()End Sub Public Class myOverruler : Inherits DrawableOverrule  Public Overrides Function WorldDraw(drawable As Drawable, wd As WorldDraw) As Boolean    Using dimObj = TryCast(drawable, Dimension)      wd.SubEntityTraits.TrueColor = New Colors.EntityColor(255, 0, 0)      Return MyBase.WorldDraw(dimObj, wd)    End Using  End Function End Class

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