How to Get File Extension in VisualBasic - Code Snippet

' Task: Get File Extension
' Language: VisualBasic

Sub get_file_extension() 
    ' Implementation for Get File Extension
    Dim result = ...; ' Initialize variable
    ' TODO: Implement core logic here
    ' Step 1: Prepare data
    ' Step 2: Process Get File Extension
    Console.WriteLine("Done");
End Sub