What are the best way to create a SW UI buttons like tool bar and command manager tabs in the solidworks, If anyone know please brief me answer.

I need to create separate command manager tab to create different buttons for the many macros usage, 
I need to know what are methods i can follow to create it and what are best way 
is it .sldreg or .reg or Addin(DLL) with addin to create it 
Thank you