It is not possible to perfrom manual selection (for example, between different products to be Tested by the sequence file) in TestStand by using the Message Popup.
It would be great if a TestStand Message popup had pull down list or radio buttons or etc. to provide manual selection from a list.
pull down list and the picture paths could be populated from a 2D array, something similar like this LabVIEW VI:

The reason why I requested this feature is that I am developing a Test solution, where we have to
manually select the product to be tested. My test solution will be used by lots of Test Engineers in the future.
I know that this feature can be realized with a LabVIEW VI easily, but this case, I have no control on the arrangement, layout and stile of this dialog box in the future. In LabVIEW, the pull dow list, buttons and picture can be put everywhere
TestStand would provide a standard arrangement for this dialog.
