If we have a list box (1stBox) as shown in the given image describe completely a

Question

If we have a list box (1stBox) as shown in the given image describe completely and clearly the effect of each of the following statements [for #3 to #10] 1stBox.Items.Clear()_ 1stBox. Items. Remove At(0)_ 1stBox. Items. Remove("Math") _ 1stBox. Items. Add("Law")_ 1stBox. Items. RemoveAt(lstBox.selectedlndex)_ 1stBox. Items. Remove At(1stBox. Items.Count - 1)_ 1stBox. Sorted = true_ 1stBox. Items.Contains("English") returns a_ Show code to make second item in list be highlighted: Show code to remove "Drama": If I had a combobox with the 50 states in it (in alpha order) that involved scrolling what could I type to quickly get to "South Carolina"? What are the three modes of use for a Combo Box? (a)_ (b)_and (c) DropDownList. What is the default event associated with both list boxes and combo boxes? What does it mean if we use MyListBox.Selectedlndex and it returns a -1 to us? In Visual Studio in the design mode what is the image on the icon that we click to have VS show us the events associated with the currently selected component?

Explanation / Answer

3) lstBox.Items.Clear()--> clears the lstBox
4) lstBox.Items.RemoveAt(0) --> Remove the first item from lstBox
5) lstBox.Items.Remove("Math") --> Remove the Math item from lstBox
6) lstBox.Items.Add("Law") --> Add an item Law at the end of the list.
7) lstBox.Items.RemoveAt(lstBox.SelectedIndex) --> Remove the selected indexed item from lstBox
8) lstBox.Items.RemoveAt(lstBox.Items.Count-1) --> Remove the last indexed item from lstBox
9) lstBox.Sorted = True--> sorting the lstBox
10) lstBox.Items.Contains("English") --> returns false

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