C#

public class Region
{
    [Key, Column(Order = 0)]
    public int RegionId { get; set; }

    [Key, Column(Order = 1)]
    public int DistrictId { get; set; }
}

Bastard Programmer from Hell
If you can't read my code, try converting it here[^]

StartProcess("Notepad.exe");
    }

private Process notePad;

private void StartProcess(string p)
    {
    notePad = new Process();
    notePad.StartInfo.FileName = p;
    notePad.Start();
    }

[DllImport("User32.dll")]
static extern int SetForegroundWindow(IntPtr point);

private void butSendDataToNotepad_Click(object sender, EventArgs e)
    {
    IntPtr hWnd = notePad.MainWindowHandle;
    SetForegroundWindow(hWnd);
    SendKeys.SendWait(tbDataToSend.Text);
    }

this.process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;

checked

try
{
    // The following line raises an exception because it is checked.
    z = checked(maxIntValue + 10);
}
catch (System.OverflowException e)
{
    // The following line displays information about the error.
    Console.WriteLine("CHECKED and CAUGHT:  " + e.ToString());
}

catch (System.OverflowException e)
        { ...