C#

class foo<T>{
  T myT;  
  foo(T t){myT=new T(t);}
}

class foo<T> where T:new(){
  T myT;
  foo(T t){myT=new T(t);}
}
class foo<T> where T: NOT new(){
  T myT;  
  foo(T t){myT=t;}
}

var db = new context();
grid.datasource = db.Customers.toList();
db.dispose();

Customer editCustomer = (Customer)grid.selectedRows[0].dataBoundItem;

/* aPD is a PrintDocument object */
aPD.DefaultPageSettings.Margins = new System.Drawing.Printing.Margins(0, 0, 0, 0);
if (radSizeDL.Checked)
{
    aPD.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize("DL Envelope", 220, 110);
    aPD.DefaultPageSettings.PaperSize.PaperName = System.Drawing.Printing.PaperKind.DLEnvelope.ToString();
}
else
{
    aPD.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize("C5 Envelope", 229, 162);
    aPD.DefaultPageSettings.PaperSize.PaperName = System.Drawing.Printing.PaperKind.C5Envelope.ToString();
}
aPD.DefaultPageSettings.Landscape = true;
aPD.OriginAtMargins = true;

aPD.PrinterSettings.Copies = Convert.ToInt16(numCopies.Value);

aPD.Print();