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Checkbox (체크박스) Widget Control

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Example file: 07_Work_with_Widgets/checkbox_objet.lfp

The Widget Controls (Property · Method · Event) you use to control the Checkbox widget from a script. For an introduction to the widget and how to use it, see Checkbox.

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In the examples below, checkboxID is the name (ID) you assigned to the Checkbox widget on the canvas. In a script, access it as widgetID.member.

Widget Control summary​

Widget ControlKindSignatureDescription
checkPropertyboolean (Read/write)Current checked state
onChangedEventonChanged = (value) => { ... }Runs when the checked state changes

Property​

check​

The current checked state. true means checked. Both reading and writing are supported.

  • Type: boolean
  • Access: Read / write

Example

// Change it to the checked state
checkboxID.check = true;

// Read the current state
const isChecked = checkboxID.check;

Method​

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Not applicable — the Checkbox widget has no dedicated Method. Use the common Widget Control below.

Event​

onChanged​

Runs when the checked state changes.

  • Kind: Event
  • Handler arguments
    • value (boolean): The checked state after the change (true means checked)
  • Returns: None

Example

checkboxID.onChanged = (value) => {
  // value: the new checked state
};

Common Widget Control (all widgets)​

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Every widget can also use common Widget Controls (Method) such as setProperty(name, value) / getProperty(name) / setStyleProperty(styleName, styleProperty, value). For the full rules, see the common Widget Control reference.