Tkinter - resize tkMessageBox

[Cameron Laird]

In article <1181026856.261957.207570 at q75g2000hsh.googlegroups.com>,
Glenn Hutchings  <zondo42 at googlemail.com> wrote:
>On 4 Jun, 21:29, rahulna... at yahoo.com wrote:
>> Is there a way to resize the width of the "tkMessageBox.askyesno"
>> dialog box, so that the text does not wrap to the next line.
>
>You can use the Tk option database, either explicitly or from a file.
>For example, to set the wrap length of all dialogs to 10 inches, try
>this:
>
>   root = Tk()
>   root.option_add("*Dialog.msg.wrapLength", "10i")
			.
			.
			.
But that does *not* affect the MessageBoxes under MacOS and Windows, right?