private void btnByVal_Click(object sender, EventArgs e)
{
book1 = new Book("Java is fun", "Joe Cool");
book2 = new Book("C# is Cool", "Barclay Benton");
String beforeByVal = "Before By Val" + "\r\n" + "Book 1 = " + book1 + "\r\n" + "Book 2 = " + book2 + "\r\n\r\n";
passBooksByValue(book1,book2);
String afterByVal = "After By Val" + "\r\n" + "Book 1 = " + book1 + "\r\n" + "Book 2 = " + book2 + "\r\n\r\n";
txtOutput.Text = beforeByVal + afterByVal;
}
private void passBooksByValue(Book b1, Book b2)
{
// passBooksByValue
Book tempBook = new Book("Parameters are easy",
"Sally Smitherington");
b1 = tempBook;
b2.Title = tempBook.Title;
}
private void passBooksByReference(ref Book b1,ref Book b2)
{
// passBooksByValue
Book tempBook2 = new Book("Parameters are easy",
"Sally Smitherington");
b1 = tempBook2;
b2.Title = tempBook2.Title;
}