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CentOS 7.0 - man page for xgettextproperty (centos section 3)

XSetTextProperty(3)			  XLIB FUNCTIONS		      XSetTextProperty(3)

       XSetTextProperty, XGetTextProperty - set and read text properties

       void XSetTextProperty(Display *display, Window w, XTextProperty *text_prop, Atom prop-

       Status XGetTextProperty(Display *display, Window w, XTextProperty *text_prop_return, Atom

       display	 Specifies the connection to the X server.

       property  Specifies the property name.

       text_prop Specifies the XTextProperty structure to be used.

		 Returns the XTextProperty structure.

       The XSetTextProperty function replaces the existing specified property for the named win-
       dow with the data, type, format, and number of items determined by the value field, the
       encoding field, the format field, and the nitems field, respectively, of the specified
       XTextProperty structure.  If the property does not already exist, XSetTextProperty sets it
       for the specified window.

       XSetTextProperty can generate BadAlloc, BadAtom, BadValue, and BadWindow errors.

       The XGetTextProperty function reads the specified property from the window and stores the
       data in the returned XTextProperty structure.  It stores the data in the value field, the
       type of the data in the encoding field, the format of the data in the format field, and
       the number of items of data in the nitems field.  An extra byte containing null (which is
       not included in the nitems member) is stored at the end of the value field of
       text_prop_return.  The particular interpretation of the property's encoding and data as
       text is left to the calling application.  If the specified property does not exist on the
       window, XGetTextProperty sets the value field to NULL, the encoding field to None, the
       format field to zero, and the nitems field to zero.

       If it was able to read and store the data in the XTextProperty structure, XGetTextProperty
       returns a nonzero status; otherwise, it returns a zero status.

       XGetTextProperty can generate BadAtom and BadWindow errors.

		 The string name of the machine on which the client application is running.

		 The command and arguments, null-separated, used to invoke the application.

		 The name to be used in an icon.

       WM_NAME	 The name of the application.

       BadAlloc  The server failed to allocate the requested resource or server memory.

       BadAtom	 A value for an Atom argument does not name a defined Atom.

       BadValue  Some numeric value falls outside the range of values accepted by the request.
		 Unless a specific range is specified for an argument, the full range defined by
		 the argument's type is accepted.  Any argument defined as a set of alternatives
		 can generate this error.

       BadWindow A value for a Window argument does not name a defined Window.

       XAllocClassHint(3), XAllocIconSize(3), XAllocSizeHints(3), XAllocWMHints(3), XSetCom-
       mand(3), XSetTransientForHint(3), XSetWMClientMachine(3), XSetWMColormapWindows(3),
       XSetWMIconName(3), XSetWMName(3), XSetWMProperties(3), XSetWMProtocols(3), XStringListTo-
       Xlib - C Language X Interface

X Version 11				   libX11 1.6.0 		      XSetTextProperty(3)

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