Private Sub InsertQuote()
   TextBox1.Text = "She said, ""You deserve a treat!"" "
End Sub

private void InsertQuote(){
   textBox1.Text = "She said, \"You deserve a treat!\" ";
}

private:
   void InsertQuote()
   {
      textBox1->Text = "She said, \"You deserve a treat!\" ";
   }

Private Sub InsertAscii()
   TextBox1.Text = "She said, " & Chr(34) & "You deserve a treat!" & Chr(34)
End Sub

private void InsertAscii(){
   textBox1.Text = "She said, " + '\u0022' + "You deserve a treat!" + '\u0022';
}

Const quote As String = """"
TextBox1.Text = "She said, " & quote & "You deserve a treat!" & quote

const string quote = "\"";
textBox1.Text = "She said, " + quote +  "You deserve a treat!"+ quote ;

const String^ quote = "\"";
textBox1->Text = String::Concat("She said, ",
   const_cast<String^>(quote), "You deserve a treat!",
   const_cast<String^>(quote));