Controls whether the browser will react to objects dropped on the browser window or not. Although this command can be called after the browser window is open it is expensive because it causes the browser to be reloaded. If possible you should call allowDragDrop before opening the browser window.
First available in version 3.0 build 2039.
flag - If true, the browser will accept objects dropped on the browser window. If false, dropped objects will not be permitted and will be ignored. Valid values include: true and false.
No output parameters.
When this method is called synchronously, a return object containing the output parameters is returned to the caller immediately.