MaxScript中GW使用范例一则

try(unRegisterRedrawViewsCallback  DrawSelectedShapeVertexIndex) catch()
Fn DrawSelectedShapeVertexIndex = 
(
    GW.SetTransform(Matrix3 1)
    SelectedShapes = for tempObject in Selection where SuperClassOf tempObject == Shape Collect tempObject
    for tempShape in SelectedShapes do 
    (
        SplineCount = NumSplines tempShape
        for splineIndex = 1 to SplineCount do
        (
            vertexCount = NumKnots tempShape splineIndex
            for vertexIndex = 1 to vertexCount do
            (
                vertexPosition = GetKnotPoint tempShape splineIndex vertexIndex
                vertexScreenPosition = GW.wTransPoint vertexPosition
                GW.wText vertexScreenPosition (vertexIndex as String) Color:green
            )
        )
    )
    GW.UpdateScreen()
)
registerRedrawViewsCallback DrawSelectedShapeVertexIndex
CompleteRedraw()