The add-on can dynamically modify TransportPatternIn statement properties. TransportPatterInHelper statement must be above TransportPatternIn statement.
Demo
Unzip add-on to C:\Users\<UserName>\Documents\Visual Components\4.8\My Commands
There is a problem with adding it in 4.9 though. It seems the icon (‘VariableExpression’) is not there anymore or was renamed? Can be fixed by copying it from previous version or using a different icon.
Yes I know about the Python 2 folder, but nonetheless I get this error:
NetInvoke: System.IO.DirectoryNotFoundException: Could not find a part of the path ‘C:\Program Files\Visual Components\Visual Components Premium 4.9\Python 2\Program’.
…
You don’t get this error? Maybe my installation folder got corrupted somehow and some icons are missing.