Method FindChildWindow

src/window.cpp:1049–1056

* Find the Window whose parent pointer points to this window * @param wc Window class of the window to find; #WC_INVALID if class does not matter * @return a Window pointer that is the child of this window, or \c nullptr otherwise */

 * @return a Window pointer that is the child of this window, or \c nullptr otherwise
 */
Window *Window::FindChildWindow(WindowClass wc) const
{
	for (Window *v : Window::Iterate()) {
		if ((wc == WC_INVALID || wc == v->window_class) && v->parent == this) return v;
	}

	return nullptr;
}

/**
 * Find the Window whose parent pointer points to this window