DOKK / manpages / debian 12 / libmotif-dev / XmSetWMProtocolHooks.3.en
XmSetWMProtocolHooks(3) Library Functions Manual XmSetWMProtocolHooks(3)

XmSetWMProtocolHooks — A VendorShell convenience interface that allows preactions and postactions to be executed when a protocol message is received from the window manager "XmSetWMProtocolHooks" "VendorShell functions" "XmSetWMProtocolHooks" "protocols"

#include <Xm/Xm.h>
#include <Xm/Protocols.h>
void XmSetWMProtocolHooks(
Widget shell,
Atom protocol,
XtCallbackProc prehook,
XtPointer pre_closure,
XtCallbackProc posthook,
XtPointer post_closure);

XmSetWMProtocolHooks is a convenience interface. It calls XmSetProtocolHooks with the property value set to the atom returned by interning WM_PROTOCOLS.

Specifies the widget with which the protocol property is associated
Specifies the protocol atom (or an int cast to Atom)
Specifies the procedure to call before calling entries on the client callback list
Specifies the client data to be passed to the prehook when it is invoked
Specifies the procedure to call after calling entries on the client callback list
Specifies the client data to be passed to the posthook when it is invoked

For a complete definition of VendorShell and its associated resources, see VendorShell(3).

VendorShell(3), XmInternAtom(3), and XmSetProtocolHooks(3).