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XSetTransientForHint(3) XLIB FUNCTIONS XSetTransientForHint(3)


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


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

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


Specifies the connection to the X server.
Specifies the window.
Specifies the window that the WM_TRANSIENT_FOR property is to be set to.
Returns the WM_TRANSIENT_FOR property of the specified window.


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.


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


The server failed to allocate the requested resource or server memory.
A value for a Window argument does not name a defined Window.


XAllocClassHint(3), XAllocIconSize(3), XAllocSizeHints(3), XAllocWMHints(3), XSetCommand(3), XSetTextProperty(3), XSetWMClientMachine(3), XSetWMColormapWindows(3), XSetWMIconName(3), XSetWMName(3), XSetWMProperties(3), XSetWMProtocols(3), XStringListToTextProperty(3)
Xlib - C Language X Interface

libX11 1.8.9 X Version 11