When the user selects, (or does not alter the default selection of), the mvBase radio button, the three edit fields for left, middle, and right mouse buttons data strings are enabled. The user can enter the formatted data string into the edit field to be sent as data (on the data channel) when the button is clicked. If nothing is specified in the edit field for a button, no data is sent when the button is clicked.
When the user selects one of the three supported terminal emulator products or None then the three edit fields for left, middle, and right mouse buttons are disabled.
See Also
Using Enhanced Programmable Mouse Click Features