Which method of a ListBox will remove just one item at a time?

  1. Items.RemoveAt

  2. Item.RemoveAt

  3. Items.ClearAt

  4. Item.ClearAt

  5. Items.Clear


Correct Option: A
Explanation:

To solve this question, the user needs to have knowledge about the methods available for manipulating a ListBox control.

A ListBox is a control that allows users to select one or more items from a list of available options. To remove an item from a ListBox, the control provides several options.

Now let's go through each option and explain why it is right or wrong:

A. Items.RemoveAt - This method removes the item at the specified index position from the ListBox control's Items collection. It removes a single item at a time, so it is the correct answer to this question.

B. Item.RemoveAt - This method attempts to remove an item with a specific name from the ListBox. Since it tries to remove an item based on its name, this option is incorrect.

C. Items.ClearAt - This method does not exist in the ListBox control. Therefore, this option is incorrect.

D. Item.ClearAt - This method does not exist in the ListBox control. Therefore, this option is incorrect.

E. Items.Clear - This method removes all items from the ListBox control's Items collection at once. Therefore, this option is incorrect.

The Answer is: A. Items.RemoveAt

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