Create method (function) for button action

Form1.cs

@@ -14,6 +14,17 @@ namespace GuessTheCard
             previousDice = randomDice;
             labelCard.Text = "Result : " + randomDice;
             labelScore.Text = "Score: " + score;
+
+        }
+
+        private void buttonHigh_Click(object sender, EventArgs e)
+        {
+            PlayRound(1);
+        }
+
+        private void buttonLow_Click(object sender, EventArgs e)
+        {
+            PlayRound(0);
         }
     }
 }