XmListSetAddMode - A List function that sets add mode in the list
void XmListSetAddMode (widget, state)
XmListSetAddMode allows applications control over Add Mode in the extended selection model. Specifies the ID of the List widget Specifies whether to activate or deactivate Add Mode. If state is True, Add Mode is activated. If state is False, Add Mode is deactivated.
For a complete definition of List and its associated resources, see