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Move Curve Grips

Demonstrates how to move a curve's grips using RhinoScript.

VBScript

Sub MoveCurveGrip
  Const rhCurve = 4

  Dim sCurve : sCurve = Rhino.GetObject("Select a curve", rhCurve)
  If IsNull(sCurve) Then Exit Sub

  Dim bGripsOn : bGripsOn = Rhino.ObjectGripsOn(sCurve)
  If (bGripsOn = False) Then
    bGripsOn = Rhino.EnableObjectGrips(sCurve, True)
  End If

  Dim aGrip : aGrip = Rhino.GetObjectGrip("Select a curve grip")
  If IsArray(aGrip) Then
    Dim aPt : aPt = aGrip(2)
    aPt(2) = aPt(2) + 1.0
    Rhino.ObjectGripLocation sCurve, aGrip(1), aPt
  End If

  If (bGripsOn = True) Then
    Rhino.EnableObjectGrips sCurve, False
  End If

End Sub