One thing that cannot be done is group buttons under one dropdown that occurs with action grid.  I have an application that displays a details form with options that can be done from the form.  Instead of having mulitple buttons this was redcued to a dingle drop down like action grid.  The functions can be extended to run a workflow before opening form or going to another page by adjusting the function.  The option can be used in a popup for itself, and close form by adding  dnnsf.api.actionForm.closePopupById(); to function.  The button can have further styling to suite needs.  This would be a suggested upgrade to action form to allow grouping like in grid so can put logic into actions.  In this scenario you place logic into form events.  I must acknowledge Marion who put the code together, as part of functions for a Full Calendar configuration