Title bar button not toggling

Configuration Decorations and bindings
1

This code is in my .fvwm2rc:

ButtonStyle 2 - MwmDecorMax ButtonStyle 4 - MwmDecorMin ButtonStyle 1 - MwmDecorMenu ButtonStyle 4 Active Vector 4 50x75@1 25x25@1 75x25@1 50x75@0 ButtonStyle 2 Active Vector 4 50x25@1 75x75@0 25x75@0 50x25@1 ButtonStyle 2 ToggledActive Vector 8 50x25@1 75x45@0 25x45@0 50x25@1 50x75@4 75x55@0 25x55@1 50x75@1 ButtonStyle 1 ActiveUp Vector 5 20x80@4 80x80@1 80x20@1 20x20@0 20x80@0 ButtonStyle 4 Inactive Vector 4 50x75@1 25x25@1 75x25@1 50x75@0 -- Flat ButtonStyle 2 Inactive Vector 4 50x25@1 75x75@0 25x75@0 50x25@1 -- Flat ButtonStyle 1 Inactive Vector 5 20x80@4 80x80@0 80x20@0 20x20@1 20x80@1 -- Flat ButtonStyle 1 ActiveDown Vector 5 20x80@4 80x80@0 80x20@0 20x20@1 20x80@1

but the maximize button doesn’t turn into a double arrowhead on maximized windows. What’s going wrong?

2

I think need the MwmButtons Style for this.

Style * MwmButtons