QTP - Running QTP script through VBS file

Public Sub ExecuteTest(TestPath)

        Dim qtApp 'As QuickTest.Application ' Declare the Application object variable
        Dim qtTest 'As QuickTest.Test ' Declare a Test object variable
        Dim qtResultsOpt 'As QuickTest.RunResultsOptions ' Declare a Run Results Options object variable

Set qtApp = CreateObject("QuickTest.Application") ' Create the Application object
qtApp.Launch ' Start QuickTest
qtApp.Visible = True ' Make the QuickTest application visible

' Set QuickTest run options
qtApp.Options.Run.ImageCaptureForTestResults = "OnError"
qtApp.Options.Run.RunMode = "Fast"
qtApp.Options.Run.ViewResults = True

'This will Open a script
qtApp.Open TestPath , True ' Open the test in read-only mode


' set run settings for the test
Set qtTest = qtApp.Test
qtTest.Settings.Run.IterationMode = "rngIterations" ' Run only iterations 2 to 4
qtTest.Settings.Run.StartIteration = 1
qtTest.Settings.Run.EndIteration = 1
qtTest.Settings.Run.OnError = "NextStep" ' Instruct QuickTest to perform next step when error occurs

'For Viewing Results
Set qtResultsOpt = CreateObject("QuickTest.RunResultsOptions") ' Create the Run Results Options object
qtResultsOpt.ResultsLocation = "C:\Telecom Automation Scripts\Res1" ' Set the results location
qtTest.Run qtResultsOpt ' Run the test
qtApp.Options.Run.ViewResults = True

'Close QTP
'qtTest.Close ' Close the test

'Set the options to nothing
Set qtResultsOpt = Nothing ' Release the Run Results Options object
Set qtTest = Nothing ' Release the Test object
Set qtApp = Nothing ' Release the Application object

End Sub