vb.net how to execute part program and handle inputs

'
' copied from http://www.pcdmisforum.com/showthread.php?26953-Script-to-make-a-change-in-all-programs/page2
' original creator ewe0006 01-09-2014
' modified 07-16-2014
'
'
Public Class Form1


    Const ProgramDir = "C:\Users\Public\Documents\WAI\PC-DMIS\2010 MR3\"
    Const ProgramFileExt = "*.PRG"

    Private pcdApp As PCDLRN.Application
    Dim WithEvents AppEvents As PCDLRN.ApplicationObjectEvents
    Private pcdParts As PCDLRN.PartPrograms
    Private pcdActivePart As PCDLRN.PartProgram
    Private pcdCommands As PCDLRN.Commands
    Private pcdCommand As PCDLRN.Command
    Private pcdNextCommand As PCDLRN.Command
    Private pcdActiveCommand As PCDLRN.CommandsClass
    Private pcdMachine As PCDLRN.Machine
    Private pcdExecuteWindow As PCDLRN.ExecutionWindow
    Dim progExecuteOk As Boolean = False
    Private ChangeList As New List(Of String)


Private Sub Form1_Load( ByVal sender As System.Object,  ByVal e As System.EventArgs) Handles MyBase.Load

End Sub

Private Sub Button1_Click( ByVal sender As System.Object,  ByVal e As System.EventArgs) Handles Button1.Click

	If ConnectPCD() = True Then
            Dim tmpFiles() As String = GetFiles(ProgramDir)
            Try
                For Each tmpFile As String In tmpFiles
                    If ChangeProbeNames(tmpFile) = False Then Exit For
                Next
            Catch ex as Exception
                Console.Writeline(ex.Message)
            End Try
            Console.WriteLine("Complete!")
        End If

        DisconnectPCD()

End Sub

    Function GetFiles(ByVal RootDir As String) As String()

        Return Directory.GetFiles(RootDir, ProgramFileExt, SearchOption.AllDirectories)

    End Function

    Function ConnectPCD() As Boolean
        Try
            pcdApp = GetObject("", "PCDLRN.Application")
            pcdApp.WaitUntilReady(60)
            Thread.Sleep(2000)
            pcdApp.Visible = True
            pcdApp.Maximize()
			
			While pcdApp.PartPrograms.Count <> 0
				pcdApp.ActivePartProgram.Quit()
	            Thread.Sleep(2000)
			End While

            pcdParts = pcdApp.PartPrograms
            Return True
        Catch ex As Exception
            Console.WriteLine("ConnectPCD : " & ex.Message)
            Return False
            pcdParts = Nothing
            pcdApp = Nothing
            GC.Collect()
        End Try

    End Function

    Sub DisconnectPCD()

        pcdCommand = Nothing
        pcdCommands = Nothing
        pcdActivePart = Nothing
        pcdParts = Nothing
        pcdApp = Nothing
        GC.Collect()

    End Sub



    Function ChangeProbeNames(ByVal FilePath As String) As Boolean


    Console.WriteLine("Converting file: " & FilePath)

    Try
        pcdParts.Open(FilePath, "CMM1")
        pcdActivePart = pcdApp.ActivePartProgram
        pcdCommands = pcdActivePart.Commands
		Dim pcdExecutedCommands As Object
		pcdExecutedCommands = pcdActivePart.ExecutedCommands

		Dim curDate As String = Format(Now, "MM-dd-yy")
		Dim userIni As String = String.Empty
		progExecuteOk = False
		For i As Integer = 0 To pcdCommands.Count
			pcdCommand = pcdCommands.Item(i)
			If pcdCommand Is Nothing Then Continue For
			
			Select Case pcdCommand.Type
				'If command is a comment we need to check if it is revsion history so we can add a new line to it.
				Case PCDLRN.OBTYPE.SET_COMMENT
					Dim at As Integer
					Dim insertPnt As Integer
					Dim comString = pcdCommand.CommentCommand.Comment
					'The is what the revision history comment looks like.
					'------------------------------------------------------------------------------------------------
					'
					'BY:    DATE:    DESCRIPTION:
					'
					'------------------------------------------------------------------------------------------------
					'
					'JJ     01/01/10 New Program
					'
					'------------------------------------------------------------------------------------------------
					'The following looks for a Document Comment that contains certain strings that are in the revision history comment.
					If comString.ToLower.Contains("by:") AND comString.ToLower.Contains("date:") AND comString.ToLower.Contains("description:") AND pcdCommand.GetFieldValue(PCDLRN.ENUM_FIELD_TYPES.COMMENT_TYPE, 0) = "$$" Then
						at = 0
						at = comString.LastIndexOf("------")
						If at > 0 Then
							insertPnt = comString.LastIndexOf(vbCrLf, at-1)
							If insertPnt > 0 Then
								comString = comString.Insert(insertPnt, userIni & "     " & curDate & " Changed probe names" & vbCrLf)
								pcdCommand.CommentCommand.Comment = comString
							Else
								MsgBox("unable to find comment section",,"Error")
								Return False
							End If
						Else
							MsgBox("unable to find comment section",,"Error")
							Return False
						End If
					End If
				'If the command is probe we need to switch the filename used
				Case PCDLRN.OBTYPE.GET_PROBE_DATA
					Select Case pcdCommand.LoadProbeCommand.FileName
						Case "PROBE1"
							ChangeProbeFile(pcdCommand, pcdCommands.Item(i+1), "PROBE1MM", "PROBE1")
					    Case Else
							MessageBox.Show("No Mapping for probe " & pcdCommand.LoadProbeCommand.FileName, "Error !", MessageBoxButtons.OK,MessageBoxIcon.Error)
					End Select
				'If the command is Print Report lets remove is since it is no longer needed.
			    Case PCDLRN.OBTYPE.PRINT_REPORT
					If pcdCommand.GetText(PCDLRN.ENUM_FIELD_TYPES.PRINT_TO_PRINTER, 1) = "ON" Then
						ChangeList.Add("Removed Print Report")
						pcdCommand.Remove()
					End If
			    Case Else
			End Select
        Next

		'This starts the application events firing so we can see what PC-DMIS is doing.
		AppEvents = pcdApp.ApplicationEvents

		'create a machine so we can press done on input/comment boxes.
		pcdMachine = pcdApp.ActivePartProgram.ActiveMachine

		'run the program
		pcdActivePart.AsyncExecute()

		'loop until program execution is complete
		While Not progExecuteOk
            Threading.Thread.Sleep(500)
			Try
				pcdExecuteWindow.Continue
				Console.WriteLine("Not progExecuteOk")
			Catch ex As Exception
				Console.WriteLine("Not progExecuteOk exception : " & ex.Message)
			End Try
		End While

		'Turn off application events
		AppEvents = Nothing

		'save the part program and close it
		pcdActivePart.Close()
        Thread.Sleep(2000)
		'quit the program without saving the part program
		'pcdActivePart.Quit()
        Return True
    Catch ex As Exception
        Console.WriteLine("ConvertUpdateProbe Exception: " & ex.Message)
        Return False
    End Try

End Function


Function ChangeProbeFile(ByVal pcdCommand As PCDLRN.Command, ByVal pcdNextCommand As PCDLRN.Command, ByRef probeNewName As String, ByRef probeOldName As String) As Boolean
'This function changes the Probe name and checks for a set active tip command on the next command. If not found add an active tip
	Try
		Dim RetVal As Boolean
		ChangeList.Add("Changed " & probeOldName & " to " & probeNewName)
		pcdCommand.LoadProbeCommand.FileName = probeNewName
		If pcdNextCommand.Type <> PCDLRN.OBTYPE.SET_ACTIVE_TIP Then
			pcdCommands.InsertionPointAfter(pcdCommand)
			pcdCommand = pcdCommands.Add(PCDLRN.OBTYPE.SET_ACTIVE_TIP, TRUE)
			pcdCommand.Marked = TRUE
			retval = pcdCommand.PutText ("T1A0B0", PCDLRN.ENUM_FIELD_TYPES.ID, 0)
		ChangeList.Add("Added tip T1A0B0")
		End If
	    Return True
	Catch ex As Exception
		Return False
	End Try
End Function

Private Sub AppEvents_OnObjectExecuted( ByVal pp As  PCDLRN.IPartProgram, ByVal cmd As PCDLRN.ICommand) Handles AppEvents.OnObjectExecuted
		Console.WriteLine("OnObjectExecuted : " & cmd.CommentCommand.Comment)
		Try
			pcdExecuteWindow = pp.GetExecutionWindow(0)
		Catch ex As Exception
			Console.WriteLine("Exception in AppEvents_OnObjectExecuted : " & ex.Message)
		End Try
End Sub


Private Sub AppEvents_OnOpenRemotePanelDialog( ByVal pp As  PCDLRN.IPartProgram, ByVal DI As Long, ByVal winHand As Long, ByVal panMess As String, ByVal btn1 As Long, ByVal btn2 As Long, ByVal btn3 As Long, ByVal btn4 As Long, ByVal dfltbtn As Long) Handles AppEvents.OnOpenRemotePanelDialog
		Console.WriteLine("OnOpenRemotePanelDialog : " & panMess)
			pcdMachine.PressDone
End Sub

Private Sub AppEvents_OnUpdateStatusMessage( ByVal statMess As  String) Handles AppEvents.OnUpdateStatusMessage
		Console.WriteLine("OnUpdateStatusMessage : " & statMess)
		If statMess = "Execution complete" Then
			progExecuteOk = True
		End If
End Sub

End Class