Add-Remove Item from Listbox(VB.NET)

This tutorial, I combine Add items to Listbox using Textbox and Remove items from Listbox using 3 options:

1. Remove the item that we select in Listbox
2. Remove all items
3. Remove items using textbox

Application Design:

1. Form
• Text          : Add-Remove Item From Listbox
• Name        : AddRemoveFromListbox
• Font Size   : 12pt
2. Textbox(2)
1. Textbox1
• Name        : TextboxAdd
• Font Size   : 12pt
2. Textbox2
• Name        : TextboxRemove
• Font Size   : 12pt
3. Button(2)
1. ButtonAdd
• Name        : ButtonAdd
• Font Size   : 12pt
• Text           : Add
2. ButtonRemove
• Name        : ButtonRemove
• Font Size   : 12pt
• Text           : Remove
4. Groupbox
• Text    :  GroupBoxOption
• Name  :  Remove Option
5. RadioButton(3)
1. RadioButton1
• Text: Select Item
• Name: RadioSelectItem
2. RadioButton2
• Text: All
• Name : RadioRemoveAll
3. RadioButton3
• Text : Select Index
• Name : RadioSelectIndex
6. Label
• Name: LabelShow

Coding

Public Class AddRemoveFromListbox

    Private Sub ButtonAdd_Click(sender As Object, e As EventArgs) Handles ButtonAdd.Click

        ListBoxData.Items.Add(TextBoxAdd.Text)

        TextBoxAdd.Clear()

        TextBoxAdd.Focus()

    End Sub

    Private Sub RadioSelectItem_CheckedChanged(sender As Object, e As EventArgs) Handles RadioSelectItem.CheckedChanged, RadioRemoveAll.CheckedChanged, RadioSelectIndex.CheckedChanged

        If RadioSelectItem.Checked = True Then

            LabelShow.Text = "This will be delete selected item that you select in Listbox!"

            TextBoxRemove.Visible = False

        ElseIf RadioRemoveAll.Checked = True Then

            LabelShow.Text = "This will delete all items in Listbox!"

            TextBoxRemove.Visible = False

        Else

            LabelShow.Text = "This will delete item that same text in TextboxRemove!"

            TextBoxRemove.Visible = True

        End If

    End Sub

    Private Sub ButtonRemove_Click(sender As Object, e As EventArgs) Handles ButtonRemove.Click

        If RadioSelectItem.Checked = True Then

            ListBoxData.Items.Remove(ListBoxData.SelectedItem)

        ElseIf RadioRemoveAll.Checked = True Then

            ListBoxData.Items.Clear()

        Else

            ListBoxData.Items.Remove(TextBoxRemove.Text)

        End If

    End Sub

End Class

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