Here is a sub code inside a module named \"Blahing\":
Sub BlahBlah(ByVal Count As Long)
For i As Long = 0 To Count
frmBlaher.txtBlah.Appe
Take a look at the MSDN site, which will give you everything you need. You especially need to take notice of the SetText method and its use of the InvokeRequired and Invoke method, as well as its use of delegates.
It may seem daunting at first, but once you get the hang of it, it becomes second nature.
Here's a link http://msdn.microsoft.com/en-us/library/ms171728(v=vs.80).aspx