Construct InfiniteLine Example (VBA)

This example shows how to construct an InfiniteLine.

'--------------------------------------------------------------
' Preconditions:
' 1. Create a VBA macro in a software product in which VBA is
'    embedded.
' 2. Copy and paste this example into the Visual Basic IDE.
' 3. Add a reference to the DraftSight type library,
'    install_dir\bin\dsAutomation.dll.
' 4. Start DraftSight and open a drawing document.
' 5. Run the macro.
'
' Postconditions: A message box pops up when an InfiniteLine is
' constructed in the drawing document.
'----------------------------------------------------------------
Option Explicit
Sub main()
    Dim dsApp As DraftSight.Application
    Dim dsDoc As DraftSight.Document
    Dim dsModel As DraftSight.Model
    Dim dsSketchManager As DraftSight.SketchManager
    Dim dsInfiniteLine As DraftSight.InfiniteLine
    Dim x1, y1, z1, x2, y2, z2 As Double
    
    'Connect to DraftSight
    Set dsApp = GetObject(, "DraftSight.Application")
    'Abort any command currently running in DraftSight 
    'to avoid nested commands
    dsApp.AbortRunningCommand
    'Get active document
    Set dsDoc = dsApp.GetActiveDocument()
    If Not dsDoc Is Nothing Then
        
        'Get model space
        Set dsModel = dsDoc.GetModel()
        
        'Get Sketch Manager
        Set dsSketchManager = dsModel.GetSketchManager()
        
        'InfiniteLine parameters
        x1 = 0#
        y1 = 0#
        z1 = 0#
        x2 = 1#
        y2 = 5#
        z2 = 0#
        
        'Draw an InfiniteLine
        Set dsInfiniteLine = dsSketchManager.InsertInfiniteLine(x1, y1, z1, x2, y2, z2)
        
        If Not dsInfiniteLine Is Nothing Then
            MsgBox "InfiniteLine was added to drawing."
        End If
        
    Else
        
        MsgBox "There are no open documents in DraftSight"
        
    End If
End Sub