Dynamics 2016 has an object called Dynamics.Forms.SyVisualStudioHelper
I don't know a lot about it, but I can see that it allows you to pop up a message box.
The kicker is that this message box works in the web client, too
Dim
answer2
As
Int16 = Dynamics.Forms.SyVisualStudioHelper.Functions.DexAsk.Invoke(
"Should Steve be King?"
,
"Yes"
"No"
"Cancel"
)