blockly > Events > BlockChange > run
Events.BlockChange.run() method
Run a change event.
Signature:
run(forward: boolean): void;
Parameters
| Parameter | Type | Description |
|---|---|---|
| forward | boolean | True if run forward, false if run backward (undo). |
Returns:
void
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["The `run()` method executes a BlockChange event, modifying a block's state."],["It takes a boolean argument, `forward`, indicating whether to apply the change or undo it."],["When `forward` is true, the event's changes are applied; when false, the changes are reversed."],["This method is essential for managing block modifications and enabling undo/redo functionality within Blockly."]]],["The `Events.BlockChange.run()` method executes a block change event. It accepts a boolean parameter, `forward`, which determines the direction of the operation. When `forward` is true, the change is applied; when false, the change is undone. The method does not return any value.\n"]]