C # The list box: ListBox usage details,

C # The list box: ListBox usage details,
The list box is similar to the drop-down list box, which can display a series of data.

The most important attributes of the list box component are Name, Items, and SelectionMode.

The Name attribute is used to set the Object Name of the list box component.

The Items attribute is used to set the data of the list box component.

SelectionMode is used to set whether the list box component is a single choice or multiple choices.

The most important event of the list box component is SelectedIndexChanged.

For example, a list box is created, for example:

We select this list box and display the selected list items.

The core code is as follows:

Void ListBox1SelectedIndexChanged (object sender, EventArgs e) {string content = (string) listBox1.SelectedItem; MessageBox. Show (content );}}