how to clear a message box for content

Kaspar's icon

Hi, how do I clear a message box, so that there is absolitely nothing in it? What message do I send a message box in order to clear it?

pdelges's icon

set with no argument.

xSURR3NDERx's icon
Chris Muir's icon
Max Patch
Copy patch and select New From Clipboard in Max.

It's not wrong.