How to perform 'Async SHA256 Hash' in VisualBasic.
' Task: Async SHA256 Hash
' Language: VisualBasic
Sub async_sha256_hash()
' Implementation for Async SHA256 Hash
Dim result = ...; ' Initialize variable
' TODO: Implement core logic here
' Step 1: Prepare data
' Step 2: Process Async SHA256 Hash
Console.WriteLine("Done");
End Sub