## MQWidget.RadioButton class

A radio button class.

Super classes: MQWidget.WidgetBase

### Property

get | set | Type | Name | Description
--- | --- | --- | --- | ---
x | x | string | text | a displayed string
x | x | bool | checked | a checked status
x | x | MQWidget.Color | fontColor | a font color
x | x | bool | shadowText | a shadow displaying behide a text

### Method

Member | Description
--- | ---
RadioButton | Constructor.
addChangedEvent | Add an event for changing a checked status.

RadioButton([parent])
Constructor.
  Parameters:
  MQWidget.WidgetBase | parent | - | A parent widget

addChangedEvent(callback)
Add an event for changing a checked status.
  Parameters:
  function(sender) | callback | - | callback function