Gets or sets the previous control used by GcSpread.Sheets.SpreadActions.selectPreviousControl and GcSpread.Sheets.SpreadActions.moveToPreviousCellThenControl.

var instance = new GcSpread.Sheets.Spread(host, options);
var returnValue; // Type: Object
returnValue = instance.previousControl(value);

function previousControl( 
   value : Object
) : Object;