private void boardPicture_MouseDown(object sender, MouseEventArgs e)
{
m_movingFrom = m_graphicHandler.CoordinateToSquare(e.X, e.Y);
m_graphicHandler.SwipeBoard();
for (Square square = Square.A1; square <= Square.H8; ++square)
{
m_graphicHandler.DrawPiece(square, m_chessFacade.PieceAt(square));
}
Square[] squares = m_chessFacade.GetValidSquaresForPiece(m_movingFrom);
foreach (Square square in squares)
{
m_graphicHandler.HighlightSquare(square);
}
m_graphicHandler.Refresh();
}