Toolkit tk = Toolkit.getDefaultToolkit();
Object showHiddenProperty = tk.getDesktopProperty(SHOW_HIDDEN_PROP);
if (showHiddenProperty instanceof Boolean) {
useFileHiding = !((Boolean)showHiddenProperty).booleanValue();
showFilesListener = new WeakPCL(this);
tk.addPropertyChangeListener(SHOW_HIDDEN_PROP, showFilesListener);
}
}
/**
* Sets the <code>dragEnabled</code> property,