beforeRowDrag

fires before dragging of a row has started

beforeRowDrag: (data: object, events: MouseEvent) => void | boolean;

Parameters:

• data: object - data object. It contains the following parameters:
  • start: string | number - the id of a row, from which the dragging process has started
  • source: array - an array with ids of dragged rows
  • target: string | number - the id of a potential target row
• events: MouseEvent - a native HTML event object
• events: MouseEvent - a native HTML event object

Returns:

Return false to prevent dragging of a row; otherwise, true.

Example

treegrid.events.on("beforeRowDrag", function(data, events){
    // your logic here
    return false;
});

Related sample: TreeGrid. Events

Change log:

added in v7.0