int ypos = 0;

public void X()
{
    MovieItem NewMovie = new MovieItem();
    NewMovie.SearchMovie(txtSearch.Text);
    NewMovie.Location = new Point(0, ypos);
    ypos += 196;

    panel1.Controls.Add(NewMovie);
}

public void X()
{
    int vscrollPos = panel1.VerticalScroll.Value;

    MovieItem NewMovie = new MovieItem();
    NewMovie.SearchMovie(txtSearch.Text);
    NewMovie.Location = new Point(0, ypos - vscrollPos);
    ypos += 196;

    panel1.Controls.Add(NewMovie);
}