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beforeHide

fires before a control is hidden

beforeHide: (value: string | string[], init: boolean) => boolean | void;

Parameters:

  • value: string | string[] - the id(s) of the item(s) from data collection that are currently selected in the control
  • init: boolean - true, if the event is triggered on the control initialization; otherwise, false

Returns:

Return false to prevent a control from being hidden; otherwise, true.

Example

form.getItem("combo").events.on("BeforeHide", function(value, init) {    console.log("BeforeHide", value, init);    return true;});

Change log:

added in v7.0