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Referencing a running instance of the assembly

I have a VB.Net application that can be executed with parameters.
If parameters are received, the I execute a function that will open a form
within the application.
On top of that, I'd like to detect if there's another instance of this
application already running, so I don't have to start another one, but I need
to execute that function that opens a form (on the executing instance), and
here's where I'm stuck.

This is the code:
<System.STAThre ad()> _
Public Shared Sub Main()
Dim oParam As Object
oParam = Environment.Get CommandLineArgs ()

If oParam.length > 1 Then
Process.GetProc essesByName(Pro cess.GetCurrent Process.Process Name).Length > 1
'-- Another instance is already running
Dim o, asm As Object
o =
Process.GetProc essesByName(Pro cess.GetCurrent Process.Process Name)(1)

o.Execute(oPara m(1))
o = Nothing
'-- There's no other instance running
System.Windows. Forms.Applicati on.EnableVisual Styles()
System.Windows. Forms.Applicati on.Run(New frmMain(oParam( 1)))
End If
'-- NO parameters
System.Windows. Forms.Applicati on.EnableVisual Styles()
System.Windows. Forms.Applicati on.Run(New frmMain)
End If
oParam = Nothing
End Sub 'Main

Jul 21 '05 #1
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