Tell whether or not the window is open. * This function returns whether or not the window exists. Note that a hidden window (setVisible(false)) is open (therefore this function would return true). *
true if the window is open, false if it has been closed.
See Implementation
Tell whether or not the window is open. * This function returns whether or not the window exists. Note that a hidden window (setVisible(false)) is open (therefore this function would return true). *