To run the sample, have a drawing document open. After running the sample, select the 'Edit Layers' command in the toolbar and turn on the layer named Custom Sketch Circles.
Public Sub Layer()
' Set a reference to the drawing document.
' This assumes a drawing document is active.
Dim oDrawDoc As DrawingDocument
Set oDrawDoc = ThisApplication.ActiveDocument
'Set a reference to the drawing view.
Dim oDraftView As DrawingView
Set oDraftView = oDrawDoc.ActiveSheet.DrawingViews.AddDraftView(1#, "My Draft View")
' Set a reference to the sketch of the created draft view.
Dim oSketch As DrawingSketch
Set oSketch = oDraftView.Sketches.Item(1)
' Set a reference to the transient geometry object.
Dim oTransGeom As TransientGeometry
Set oTransGeom = ThisApplication.TransientGeometry
' Draw four sketch lines that form a rectangle
Call oSketch.SketchLines.AddAsTwoPointRectangle(oTransGeom.CreatePoint2d(10, 10), _
oTransGeom.CreatePoint2d(30, 30))
' Draw four sketch circles
Dim oSketchCircles(1 To 4) As SketchCircle
Set oSketchCircles(1) = oSketch.SketchCircles.AddByCenterRadius(oTransGeom.CreatePoint2d(12, 12), 1.5)
Set oSketchCircles(2) = oSketch.SketchCircles.AddByCenterRadius(oTransGeom.CreatePoint2d(28, 12), 1.5)
Set oSketchCircles(3) = oSketch.SketchCircles.AddByCenterRadius(oTransGeom.CreatePoint2d(12, 28), 1.5)
Set oSketchCircles(4) = oSketch.SketchCircles.AddByCenterRadius(oTransGeom.CreatePoint2d(28, 28), 1.5)
' Create a new layer (as a copy of the 'Sketch Geometry' layer)
' to put the sketch circles in.
Dim oNewLayer As Layer
Set oNewLayer = oDrawDoc.StylesManager.Layers.Item("Sketch Geometry (ANSI)").Copy("Custom Sketch Circles")
' Set the LineType on the new layer to 'dashed'.
oNewLayer.LineType = kDashedLineType
'Put all the sketch circles on this layer
oSketchCircles(1).Layer = oNewLayer
oSketchCircles(2).Layer = oNewLayer
oSketchCircles(3).Layer = oNewLayer
oSketchCircles(4).Layer = oNewLayer
' Turn off the new layer
oNewLayer.Visible = False
' Exit from editing the sketch.
oSketch.ExitEdit
End Sub