Name

XSetClassHint, XGetClassHint − set or get class hint

Syntax

XSetClassHint(display, w, class_hints)
      Display *display;
      Window w;
      XClassHint *class_hints;

Status XGetClassHint(display, w, class_hints_return)
      Display *display;
      Window w;
      XClassHint *class_hints_return;

Arguments

class_hintsSpecifies a pointer to a XClassHint structure that is to be used.

class_hints_return
Returns the XClassHint structure.

displaySpecifies the connection to the X server. 

wSpecifies the window. 

Description

The XSetClassHint function sets the class hint for the specified window.

XSetClassHint can generate BadAlloc and BadWindow errors.

The XGetClassHint function returns the class of the specified window. To free res_name and res_class when finished with the strings, use XFree.

XGetClassHint can generate a BadWindow error.

Property

WM_CLASS

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

XSetCommand(3X11), XSetIconName(3X11), XSetIconSizeHints(3X11), XSetNormalHints(3X11), XSetSizeHints(3X11), XSetStandardProperties(3X11), XSetTransientForHint(3X11), XSetWMHints(3X11), XSetZoomHints(3X11), XStoreName(3X11)
Guide to the Xlib Library