Function CloseWindowById

src/window.cpp:1195–1201

* Close a window by its class and window number (if it is open). * @param cls Window class * @param number Number of the window within the window class * @param force force closing; if false don't close when stickied */

 * @param force force closing; if false don't close when stickied
 */
void CloseWindowById(WindowClass cls, WindowNumber number, bool force, int data)
{
	Window *w = FindWindowById(cls, number);
	if (w != nullptr && (force || !w->flags.Test(WindowFlag::Sticky))) {
		w->Close(data);
	}
}

/**
 * Close all windows of a given class