Issues with backspace

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VB

I've been having issues with my backspace coding. It removes the last character in the sequence like it should but when I hit another key, the previously deleted character comes back.This is my coding so far.

Private Sub ButtonBackspace_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonBackspace.Click
        Try
            If MaskedTextBox1.Text.Count > 0 Then
                MaskedTextBox1.Text = MaskedTextBox1.Text.Remove(MaskedTextBox1.Text.Count - 1)
            End If
        Catch ex As Exception
        End Try
    End Sub