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Block Insertion Point

Demonstrates how to set (or reset) the block insertion point of a block instance.

partial class Examples
{
  public static Rhino.Commands.Result BlockInsertionPoint(Rhino.RhinoDoc doc)
  {
    Rhino.DocObjects.ObjRef objref;
    Result rc = Rhino.Input.RhinoGet.GetOneObject("Select instance", true, Rhino.DocObjects.ObjectType.InstanceReference, out objref);
    if (rc != Rhino.Commands.Result.Success)
      return rc;
    Rhino.DocObjects.InstanceObject instance = objref.Object() as Rhino.DocObjects.InstanceObject;
    if (instance != null)
    {
      Rhino.Geometry.Point3d pt = instance.InsertionPoint;
      doc.Objects.AddPoint(pt);
      doc.Views.Redraw();
    }
    return Rhino.Commands.Result.Success;
  }
}
Partial Friend Class Examples
  Public Shared Function BlockInsertionPoint(ByVal doc As Rhino.RhinoDoc) As Rhino.Commands.Result
	Dim objref As Rhino.DocObjects.ObjRef = Nothing
	Dim rc As Result = Rhino.Input.RhinoGet.GetOneObject("Select instance", True, Rhino.DocObjects.ObjectType.InstanceReference, objref)
	If rc IsNot Rhino.Commands.Result.Success Then
	  Return rc
	End If
	Dim instance As Rhino.DocObjects.InstanceObject = TryCast(objref.Object(), Rhino.DocObjects.InstanceObject)
	If instance IsNot Nothing Then
	  Dim pt As Rhino.Geometry.Point3d = instance.InsertionPoint
	  doc.Objects.AddPoint(pt)
	  doc.Views.Redraw()
	End If
	Return Rhino.Commands.Result.Success
  End Function
End Class
import Rhino
import scriptcontext

def BlockInsertionPoint():
    rc, objref = Rhino.Input.RhinoGet.GetOneObject("Select instance", True, Rhino.DocObjects.ObjectType.InstanceReference)
    if rc!=Rhino.Commands.Result.Success: return rc;
    instance = objref.Object()
    if instance:
        pt = instance.InsertionPoint
        scriptcontext.doc.Objects.AddPoint(pt)
        scriptcontext.doc.Views.Redraw()
        return Rhino.Commands.Result.Success
    return Rhino.Commands.Result.Failure

if __name__=="__main__":
    BlockInsertionPoint()