SOLVED: Is simulated multithreading the way to go (for what i need to do)?

[schoolbusdriver]

I know it's marked as resolved, but just in case someone is interested in the multithreading option - a little demo program.

As to which is faster, MultiThreading or DoEvents, I'll leave others to argue. The obvious advantage of MultiThreading comes in when you have to perform other tasks within the same app. Make an executable of the code below and run it. Click on "Start MultiThread" and move the form around, scroll the textbox etc. The "AddTextMultiThread" function continues without even a pause. Click on "Stop MultiThread". Try the same with "Start/Stop DoEvents". Spot the difference.

'Original code at:- http://www.free2code.net/plugins/art...read.php?id=94

Option Explicit
'Form level code.
 
'MultiThread versus DoEvents.
 
'Add a textbox and 4 command buttons to a form.
 
Private Declare Function CreateThread Lib "kernel32" (ByVal lpThreadAttributes As Any, _
   ByVal dwStackSize As Long, ByVal lpStartAddress As Long, lpParameter As Any, _
   ByVal dwCreationFlags As Long, lpThreadID As Long) As Long
 
Private Declare Function TerminateThread Lib "kernel32" (ByVal hThread As Long, _
   ByVal dwExitCode As Long) As Long
 
Private Sub Command1_Click()
   id = CreateThread(ByVal 0&, ByVal 0&, AddressOf AddTextMultiThread, ByVal 0&, 0, id)
End Sub
 
Private Sub Command2_Click()
   Call TerminateThread(id, ByVal 0&)
End Sub
 
Private Sub Command3_Click()
   StopDo = True
   AddTextDoEvents
End Sub
 
Private Sub Command4_Click()
   StopDo = False
End Sub
 
Private Sub Form_Load()
   Me.Height = 4545
   Me.Width = 8925
   
   Text1.Move 45, 45, 8700, 3525
   
   Command1.Move 45, 3690, 1635, 375
   Command1.Caption = "Start MultiThread"
 
   Command2.Move 1845, 3690, 1635, 375
   Command2.Caption = "Stop MultiThread"
 
   Command3.Move 5310, 3690, 1635, 375
   Command3.Caption = "Start DoEvents"
 
   Command4.Move 7110, 3690, 1635, 375
   Command4.Caption = "Stop DoEvents"
End Sub

'Module level code.
Option Explicit
 
Public id As Long
Public StopDo As Boolean
 
Public Function AddTextMultiThread()
   Do
      Form1.Text1.SelText = "Adding to Text1 - "
   Loop
End Function
 
Public Function AddTextDoEvents()
   StopDo = True
   Do While StopDo = True
      Form1.Text1.SelText = "Adding to Text1 - "
      DoEvents
   Loop
End Function