40. Which of the following is not an opticn that can be added to a TcolStrip control? Choose One 2 points O Button Separator O Checkbox O TextBox 41. What property of a ListView provides access to all of the items that have been added to that ListView Choose One 2 points O Items O Inventory O Contents O Index 42. What is the method called that runs when a user acts upon a control or abject on a Form? Choose One 1 points O EventHandler O ActivityEvent O EventController O EventMethad 43, what are the two things that all C# objects have? Choose all that apply 1 points Properties Modes Duration Methods 44 Which of the following is used to keep related controls together on a form? Choose One 1 points O Separator O ListBox O GroupBox ComboBox