Joey Joey - 1 year ago 115 Question

How to rename all items in a ListBox control

How to rename

contains following items






Answer Source

Assuming that you are using WinForms, you can modify the properties of items in a ListBox via the Items property. This returns a ListBox.ObjectCollection. You can index into this collection and modify the individual items.

Generally, items in a ListBox are just strings, so assigning a new string to the appropriate index in the Items collection will change the text in the ListBox. However, they can actually be any type of object. Check the code that adds the items to the ListBox in the first place to make sure that they are strings. If they are something else, you'll need to modify that data structure accordingly.

To do this for all of the items in the list, you will need to use a loop that loops through the entire Items collection.

For example:

For i As Integer = 0 to (myListBox.Items().Count - 1)
    myListBoxItems.Items(i) = myListBox.Items(i) + ".gz"

If it is not guaranteed that all items in the ListBox should have the .gz extension added to them, you will need to use a conditional statement inside of the body of the loop that first tests the current value of the string to decide whether to append the extension.

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