ListBox, ComboBox, Menu Chapter 5.4, 12.1

ComboBox Control: Properties & Methods u Combines TextBox features with a short drop- down list  cboOne.AddItem(string) u List  Strings displayed in the ComboBox, as an array  cboOne.List(3) u ListCount  Contains the number of list items u ListIndex  Index of the selected item

ComboBox Control Properties & Methods u Locked  When True user can not type data in the ComboBox u Sorted  When True items in the list are sorted u RemoveItem  Removes an item from list u Clear  Removes all items from the list

ComboBox Styles u DropDown  Allows user entry u Simple  Visual appearance of a textbox  Items are listed by arrow keys  Allows user entry u DropDownList  Does not allow user entry  Fast movement to an item by first character

ListBox Control u Let user to view a list of items u Allow user to select one or more items  lstOne.AddItem(string) u List  Strings displayed in the list, in an array like form  lstOne.List(3) u ListCount  Contains the number of list items u ListIndex  Index of the selected item  What if more than one item is selected?

ListBox Control: Properties & Methods u Selected  Array of Boolean values  Each is set to true only if the corresponding element is selected u MultiSelect  Specifies whether user can select more than one item u SelCount  Number of list items selected u Sorted  When True items in the list are sorted u RemoveItem  Removes an item from list u Clear  Removes all items from the list

ListBox Styles u None  Does not allow multiple selection u Simple  Allows multiple selection  Selection is done by mouse or Space bar u Extended  Allows multiple selection  Selection is done by mouse or Space bar  Holding the Shift key and selecting an item selects all items between the last selection and the current selection

Menu Editor u There are 3 ways to start menu editor:  Click the Menu Editor button on the toolbar  Choose Tools/Menu Editor  Press Ctrl+E u Each line of text in a menu is a Menu Control

Menu Control Properties u Caption  Actual text displayed in the menu item u Name  Unique identifier used by the program u Index  Used if menu item is part of a control array u Shortcut  Key combinations can be set for shortcuts u Checked  When true, a check mark appears to the left of menu item

Menu Editor Example