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