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onColumnResizeStart

info

This functionality is available in the PRO edition only.

Description​

Fires before the user starts to drag the column's border to resize the column

onColumnResizeStart: (index: number, column: GridColumn) => boolean;

Parameters​

  • index - (required) number - the column index
  • column - (required) GridColumn - the column object

Returns​

  • result - (boolean) - defines whether the default action of the event will be triggered (true) or canceled (false)

Example​

// return false to discard the resize action
gantt.attachEvent("onColumnResizeStart", function(index, column){
    gantt.message("Start resizing " + gantt.locale.labels["column_"+column.name]);
    return true;
});

Details​

The event is blockable. Returning false won't allow column resizing.