XSetCommand(3X11) MIT X11R4 XSetCommand(3X11)
Name
XSetCommand, XGetCommand - set or read a window's WM_COMMAND property
Syntax
XSetCommand(display, w, argv, argc)
Display *display;
Window w;
char **argv;
int argc;
Status XGetCommand(display, w, argv_return, argc_return)
Display *display;
Window w;
char ***argv_return;
int *argc_return;
Arguments
argc Specifies the number of arguments.
argc_return
Returns the number of arguments returned.
argv Specifies the application's argument list.
argv_return
Returns the application's argument list.
display Specifies the connection to the X server.
w Specifies the window.
Description
The function sets the command and arguments used to invoke the application. (Typically, argv is the argv array of your main program.)
can generate and errors.
The function reads the WM_COMMAND property from the specified window and returns a string list. If the WM_COMMAND property exists, it is
of type STRING and format 8. If sufficient memory can be allocated to contain the string list, fills in the argv_return and argc_return
arguments and returns a non-zero status. Otherwise, it returns a zero status. To free the memory allocated to the string list, use
Properties
WM_COMMAND
The command and arguments, separated by ASCII nulls, used to invoke the application.
Diagnostics
The server failed to allocate the requested resource or server memory.
A value for a Window argument does not name a defined Window.
See Also
XAllocClassHint(3X11), XAllocIconSize(3X11), XAllocSizeHints(3X11), XAllocWMHints(3X11), XSetTransientForHint(3X11), XSetTextProp-
erty(3X11), XSetWMClientMachine(3X11), XSetWMColormapWindows(3X11), XSetWMIconName(3X11), XSetWMName(3X11), XSetWMProperties(3X11), XSetWM-
Protocols(3X11), XStringListToTextProperty(3X11)
X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys
XSetCommand(3X11)
