' Handle the Button1 object's Paint Event to create a CaptionButton.
Private Sub Button1_Paint(ByVal sender As Object, _
    ByVal e As PaintEventArgs) Handles Button1.Paint

    ' Draw a CaptionButton control using the ClientRectangle 
    ' property of Button1. Make the button a Help button 
    ' with a normal state.
    ControlPaint.DrawCaptionButton(e.Graphics, Button1.ClientRectangle, _
        CaptionButton.Help, ButtonState.Normal)
End Sub

    // Handle the Button1 object's Paint Event to create a CaptionButton.
    private void Button1_Paint(object sender, PaintEventArgs e)
    {

        // Draw a CaptionButton control using the ClientRectangle 
        // property of Button1. Make the button a Help button 
        // with a normal state.
        ControlPaint.DrawCaptionButton(e.Graphics, Button1.ClientRectangle,
            CaptionButton.Help, ButtonState.Normal);
    }

// Handle the Button1 object's Paint Event to create a CaptionButton.
void Button1_Paint( Object^ /*sender*/, PaintEventArgs^ e )
{

   // Draw a CaptionButton control using the ClientRectangle 
   // property of Button1. Make the button a Help button 
   // with a normal state.
   ControlPaint::DrawCaptionButton( e->Graphics, Button1->ClientRectangle, CaptionButton::Help, ButtonState::Normal );
}

the use the ControlPaint.DrawCaptionButton method. To run this example paste the following code in a form containing a Button named Button1.
  The form should import the System.Windows.Forms and System.Drawing namespaces.