Question: how to check if a registry key exists in vb.net?
Answer: ' Create the registry key object.
Dim regKey As Object = Registry. LocalMachine. ... 
' Check if it exists.
If regKey Is Nothing Then.
' It doesn't exist here. Create the key.
regKey = Registry. LocalMachine. ... 
' Next, set the key name and value.
regKey. SetValue("test", "test value")