public void Print_ShouldBecomeTargetControlAndUseIControlPrinterToPrint()
{
var pictureBox = new PictureBox();
var printer = Substitute.For <IControlPrinter <PictureBox> >();
pictureBox.Print(printer);
Assert.That(printer.TargetControl, Is.EqualTo(pictureBox));
printer.Received().Print();
}
public static void Print(this PictureBox pictureBox)
{
pictureBox.Print(new PictureBoxPrinter(pictureBox));
}