1. Group Boxes and Panels Arrange components on a GUI Buttons and etc. can be placed inside a group box or panel. All these buttons move together when the group box or a panel is moved The main difference between GroupBox and Panel is that group boxes can display a caption and panel can have scrollbars

2. GroupBox properties Controls: controls that the group box contains Text: text displayed on the top portion of the group box (its caption) Panel properties AutoScroll BorderStyle Controls

3. ListBoxes The list box control allows the user to view and select from multiple items in a list. CheckedListBox control extends a list box by including checkboxes next to each item in the list.

4. Common properties Items – list of items within the lsit MultiColumn SelectedIndex – return currently selected item SelectedIndices SelectedItem SelectedItems Sorted – indicates whether items appear in order. True causes alphabetization; default is false

5. Common method GetSelected – takes an index and returns true if the corresponding item is selected. Common event  SelectedIndexChanged – generated when selected index changes

6. To add items To add items to the list box or the checkedList box, invoke method Add For example mylistbox->Add(“My item”); To add multiple objects, use Add multiple times or use method AddRange to add an array of objects

7. checkedListBoxes Multiple items can be selected Common properties  CheckedItems  CheckedIndices  CheckOnClick – if true, items can be checked and unchecked with a single mouse click. If false, double click  SelectionMode-One

8. Common method GetItemChecked – takes an index, and returns true if corresponding item is checked Common event  itemCheck – generated when an item is checked or unchecked ItemCheckEventArgs properties  CurrentValue – indicates whether current item is checked or unchecked

9. ComboBoxes Combines TextBox features with a dropdown list It usually appears as a textbox or click the down arrow to its right. By default, the user can enter text into the textbox or click the down arrow to display a list of predefined items

10. Common properties DropDownStyle  Simple – text editable; list visible  DropDown- text editable; click to see list  DropDownList- text not editable; click to see the list Items –collection of items MaxDropDownItems – maximum items SelectedIndex SelectedItem Sorted Common Event- SelectedIndexChanged