diff --git a/APL2.1/TP9/Volume/Souris.java b/APL2.1/TP9/Volume/Souris.java
new file mode 100644
index 0000000..d0ec5ba
--- /dev/null
+++ b/APL2.1/TP9/Volume/Souris.java
@@ -0,0 +1,18 @@
+import javax.swing.*;
+import java.awt.event.*;
+import java.awt.*;
+
+public class Souris implements MouseWheelListener {
+	Paintvolume draw;
+  public Souris(Paintvolume draw) {
+  	this.draw = draw;
+  }
+  public void mouseWheelMoved(MouseWheelEvent e) {
+  	if (e.getWheelRotation() > 0) {
+  		draw.downVolume();
+  	} else {
+  		draw.upVolume();
+  	}
+  }
+
+}