C#

private void CallingFunc()
{
    MyFunc(OnChanged); // ? How to prepresent this method?
}

// ? what type do I use as the input parameter here?
private void MyFunc(SomeType theMethodToCall)
{
   FileSystemEventHandler(theMethodToCall);
}

private void Control_MouseMove(object sender, MouseEventArgs e)
{
    Control control = (Control)sender;

    if (dragging)
    {
        Point location = new Point(e.X, e.Y);

        location = control.PointToScreen(location);

        location = PointToClient(location);

        location.Offset(dragOffset);

        control.Location = location;
    }
}

location = control.PointToScreen(location);
location = PointToClient(location);

location = control.Parent.PointToClient(location);

#if DEBUG
	System.Diagnostics.Trace.WriteLine("block of code starts");
#endif

	code
	code
	more code

#if DEBUG
	System.Diagnostics.Trace.WriteLine("block of code ends");
#endif

class datetime
{
    string sTemp = DateTime.Now.ToString("yyyy-MM-dd");
    TimeSpan m_Time = DateTime.Now - DateTime.Now;
     DateTime m_EventStartTime = DateTime.Now;
     m_Time = DateTime.Now - m_EventStartTime

}