private void pcRock_Click(object sender, EventArgs e)
 {
     Selected_Piece = new Elements.Piece_Rook(pcRock.Image, this.Color);
     Close();
 }
 private void pcBishop_Click(object sender, EventArgs e)
 {
     Selected_Piece = new Elements.Piece_Bishop(pcBishop.Image, this.Color);
     Close();
 }
 private void pcKnight_Click(object sender, EventArgs e)
 {
     Selected_Piece = new Elements.Piece_Knight(pcKnight.Image, this.Color);
     Close();
 }
 private void pcQueen_Click(object sender, EventArgs e)
 {
     Selected_Piece = new Elements.Piece_Queen(pcQueen.Image, this.Color);
     Close();
 }