XmRemoveWMProtocolCallback is a convenience interface.
It calls XmRemoveProtocolCallback
with the property value set to the atom returned by
interning WM_PROTOCOLS.
shell
Specifies the widget with which the protocol property is associated
protocol
Specifies the protocol atom
callback
Specifies the procedure to call when a protocol message is received
closure
Specifies the client data to be passed to the callback when it is invoked
For a complete definition of VendorShell and its associated resources, see
VendorShell(3).