- view
- Optional View that is sending the command, or null if you want to send the command regardless of the view that is attached to the input method.
- action
- Name of the command to be performed. This must be a scoped name, i.e. prefixed with a package name you own, so that different developers will not create conflicting commands.
- data
- Any data to include with the command.
Call IInputMethodSession.AppPrivateCommand(string, Android.OS.Bundle) on the current Input Method.