API ToggleGameMenu

Opens/closes the game menu. ToggleGameMenu

Note

 * The that while this function itself is not protected, it calls the following protected functions which trigger the ACTION_BLOCKED event:
 * SpellStopCasting
 * SpellStopTargeting
 * ClearTarget
 * The name of this function is a bit of a misnomer, it's actually a handler that fires when the user presses the Escape key.