Function CloseWindowByClass

src/window.cpp:1207–1215

* Close all windows of a given class * @param cls Window class of windows to delete */

 * @param cls Window class of windows to delete
 */
void CloseWindowByClass(WindowClass cls, int data)
{
	/* Note: the container remains stable, even when deleting windows. */
	for (Window *w : Window::Iterate()) {
		if (w->window_class == cls) {
			w->Close(data);
		}
	}
}

/**
 * Close all windows of a company. We identify windows of a company