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AutoCompleteMode Textbox Property in Visual Basic .Net

AutoCompleteMode Textbox Property in Visual Basic .Net

Textbox.autocompletemode property in visual basic is useful for TextBox controls in which URLs, addresses, file names, or commands will be frequently entered.

AutoCompleteMode property has four values:

Suggest – displays value in a dropdown manner based on your input
Append – appends the most likely string you are looking for.
SuggestAppend – suggest and append
None (Default) – disable the completion

Source code:

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        TextBox1.AutoCompleteCustomSource.Add("Visual Basic 6")
        TextBox1.AutoCompleteCustomSource.Add("Visual Basic .Net")
        TextBox1.AutoCompleteCustomSource.Add("C#")
        TextBox1.AutoCompleteCustomSource.Add("Java")
        TextBox1.AutoCompleteCustomSource.Add("PHP/MySQL")
        TextBox1.AutoCompleteCustomSource.Add("Javascript")
        TextBox1.AutoCompleteCustomSource.Add("Ruby")
        TextBox1.AutoCompleteCustomSource.Add("Phyton")

    End Sub

    Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
        AutoCompleteModeSelect()
    End Sub
    Private Sub AutoCompleteModeSelect()
        If RadioButton1.Checked = True Then
            TextBox1.AutoCompleteMode = AutoCompleteMode.Suggest
        ElseIf RadioButton2.Checked = True Then
            TextBox1.AutoCompleteMode = AutoCompleteMode.Append
        ElseIf RadioButton3.Checked = True Then
            TextBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend
        End If
    End Sub

    Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
        AutoCompleteModeSelect()
    End Sub

    Private Sub RadioButton3_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton3.CheckedChanged
        AutoCompleteModeSelect()
    End Sub
End Class