Set fill style of Button when state is OFF
Object itself for fluent interface
Fill style object or function which modifies it
Set size of Button when state is OFF
Object itself
Point or pixel for squared button size
Set style of Button when state is OFF
Object itself for fluent interface
Set fill style of Button when state is ON
Object itself for fluent interface
Set size of Button when state is ON
Object itself
Point or pixel for squared button size
Set style of Button when state is ON
Object itself for fluent interface
Interface for object that has configurations for style of button.