How to perform 'Async Check Port Open' in VisualBasic.
' Task: Async Check Port Open
' Language: VisualBasic
Sub async_check_port_open()
' Implementation for Async Check Port Open
Dim result = ...; ' Initialize variable
' TODO: Implement core logic here
' Step 1: Prepare data
' Step 2: Process Async Check Port Open
Console.WriteLine("Done");
End Sub