Added mouse click functions to image button

Added destructor for images
Deleting listener now on exit

BaseButtonInstance.h

@@ -1,16 +1,20 @@
 #pragma once
 #include "instance.h"
-
+#pragma once
+#include "ButtonListener.h"
 class BaseButtonInstance : public Instance
 {
 public:
 	BaseButtonInstance(void);
-	~BaseButtonInstance(void);
+	virtual ~BaseButtonInstance(void);
 	virtual void drawObj(RenderDevice* rd, Vector2 mousePos, bool mouseDown);
+	virtual bool mouseInButton(float, float, RenderDevice* rd);
+	virtual void onMouseClick();
 	bool floatBottom;
 	bool floatRight;
 	bool floatCenter;
 	bool disabled;
 protected:
 	bool mouseInArea(float, float, float, float, float, float);
+	class ButtonListener* listener;
 };