xfree86 man page for xsettransientforhint

XSetTransientForHint(3X11)					  XLIB FUNCTIONS					XSetTransientForHint(3X11)

NAME
       XSetTransientForHint, XGetTransientForHint - set or read a window's WM_TRANSIENT_FOR property

SYNTAX
       int XSetTransientForHint(Display *display, Window w, Window prop_window);

       Status XGetTransientForHint(Display *display, Window w, Window *prop_window_return);

ARGUMENTS
       display	 Specifies the connection to the X server.

       w	 Specifies the window.

       prop_window
		 Specifies the window that the WM_TRANSIENT_FOR property is to be set to.

       prop_window_return
		 Returns the WM_TRANSIENT_FOR property of the specified window.

DESCRIPTION
       The XSetTransientForHint function sets the WM_TRANSIENT_FOR property of the specified window to the specified prop_window.

       XSetTransientForHint can generate BadAlloc and BadWindow errors.

       The XGetTransientForHint function returns the WM_TRANSIENT_FOR property for the specified window.  It returns a nonzero status on success;
       otherwise, it returns a zero status.

       XGetTransientForHint can generate a BadWindow error.

PROPERTIES
       WM_TRANSIENT_FOR
		 Set by application programs to indicate to the window manager that a transient top-level window, such as a dialog box.

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

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

SEE ALSO
       XAllocClassHint(3X11), XAllocIconSize(3X11), XAllocSizeHints(3X11), XAllocWMHints(3X11), XSetCommand(3X11), XSetTextProperty(3X11), XSetWM-
       ClientMachine(3X11), XSetWMColormapWindows(3X11), XSetWMIconName(3X11), XSetWMName(3X11), XSetWMProperties(3X11), XSetWMProtocols(3X11),
       XStringListToTextProperty(3X11)
       Xlib - C Language X Interface

XFree86 							   Version 4.7.0					XSetTransientForHint(3X11)