diff --git a/winVCR/VCRlogic/SMvcr.cs b/winVCR/VCRlogic/SMvcr.cs
index cd05817..6233efd 100644
--- a/winVCR/VCRlogic/SMvcr.cs
+++ b/winVCR/VCRlogic/SMvcr.cs
@@ -1,77 +1,347 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 
-public class SMvcr
+public static class SMvcr
 {
-    private string _labelText;
 
-    private StateVCR _concreteState;
+    private static StateVCR _concreteState;
 
-    public SMvcr()
+    public delegate void VCREventHandler();
+
+    public static event VCREventHandler evStopbutton;
+
+    public static event VCREventHandler evEndtape;
+
+    public static event VCREventHandler evRecordbutton;
+
+    public static event VCREventHandler evPlaybutton;
+
+    public static event VCREventHandler evBeginningtape;
+
+    public static event VCREventHandler evRewindbutton;
+
+    public static event VCREventHandler evFastforwardbutton;
+
+    public static void initSMvcr()
     {
         setState(new SvcrStandBy());
     }
 
-    public void setState(StateVCR e)
+    public static void setState(StateVCR e)
     {
+        _concreteState = null;
         _concreteState = e;
     }
 
-    public string getLabelText()
-    {
-        return _labelText;
-    }
 }
 
 
 public abstract class StateVCR
 {
-    public abstract void setStateText();
+    public abstract void evStopbutton();
+    public abstract void evEndtape();
+    public abstract void evRecordbutton();
+    public abstract void evPlaybutton();
+    public abstract void evBeginningtape();
+    public abstract void evRewindbutton();
+    public abstract void evFastforwardbutton();
 }
 
 public class SvcrStandBy : StateVCR
 {
-    public override void setStateText()
+
+    public SvcrStandBy()
     {
-        throw new NotImplementedException();
+        Debug.Print("Standby\n");
+
+        SMvcr.evRecordbutton += evRecordbutton;
+        SMvcr.evPlaybutton += evPlaybutton;
+        SMvcr.evRewindbutton += evRewindbutton;
+
+    }
+    public override void evStopbutton()
+    {
+        
+    }
+
+    public override void evEndtape()
+    {
+        
+    }
+
+    public override void evRecordbutton()
+    {
+        SMvcr.evRecordbutton -= evRecordbutton;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evRewindbutton -= evRewindbutton;
+
+        SMvcr.setState(new SvcrRecord());
+    }
+
+    public override void evPlaybutton()
+    {
+        SMvcr.evRecordbutton -= evRecordbutton;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evRewindbutton -= evRewindbutton;
+
+        SMvcr.setState(new SvcrPlay());
+    }
+
+    public override void evBeginningtape()
+    {
+        
+    }
+
+    public override void evRewindbutton()
+    {
+        SMvcr.evRecordbutton -= evRecordbutton;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evRewindbutton -= evRewindbutton;
+
+        SMvcr.setState(new SvcrRewind());
+    }
+
+    public override void evFastforwardbutton()
+    {
+        
     }
 }
 
-
 public class SvcrPlay : StateVCR
 {
-    public override void setStateText()
+    public SvcrPlay()
     {
-        throw new NotImplementedException();
+        Debug.Print("Play\n");
+
+        SMvcr.evStopbutton += evStopbutton;
+        SMvcr.evEndtape += evEndtape;
+        SMvcr.evRewindbutton += evRewindbutton;
+        SMvcr.evFastforwardbutton += evFastforwardbutton;
+    }
+    public override void evStopbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evEndtape()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evRecordbutton()
+    {
+        
+    }
+
+    public override void evPlaybutton()
+    {
+       
+    }
+
+    public override void evBeginningtape()
+    {
+       
+    }
+
+    public override void evRewindbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrRewind());
+    }
+
+    public override void evFastforwardbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrFastForward());
     }
 }
 
-
 public class SvcrRewind : StateVCR
 {
-    public override void setStateText()
+
+    public SvcrRewind()
     {
-        throw new NotImplementedException();
+        Debug.Print("Rewind\n");
+
+        SMvcr.evStopbutton += evStopbutton;
+        SMvcr.evBeginningtape += evBeginningtape;
+        SMvcr.evPlaybutton += evPlaybutton;
+        SMvcr.evFastforwardbutton += evFastforwardbutton;
+    }
+    public override void evStopbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evBeginningtape -= evBeginningtape;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evEndtape()
+    {
+    }
+
+    public override void evRecordbutton()
+    {
+    }
+
+    public override void evPlaybutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evBeginningtape -= evBeginningtape;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrPlay());
+    }
+
+    public override void evBeginningtape()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evBeginningtape -= evBeginningtape;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evRewindbutton()
+    {
+    }
+
+    public override void evFastforwardbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evBeginningtape -= evBeginningtape;
+        SMvcr.evPlaybutton -= evPlaybutton;
+        SMvcr.evFastforwardbutton -= evFastforwardbutton;
+
+        SMvcr.setState(new SvcrFastForward());
     }
 }
 
 public class SvcrFastForward : StateVCR
 {
-    public override void setStateText()
+    public SvcrFastForward()
+    {
+        Debug.Print("FastForward\n");
+
+        SMvcr.evStopbutton += evStopbutton;
+        SMvcr.evEndtape += evEndtape;
+        SMvcr.evRewindbutton += evRewindbutton;
+    }
+    public override void evStopbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evEndtape()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evRecordbutton()
+    {
+    }
+
+    public override void evPlaybutton()
+    {
+    }
+
+    public override void evBeginningtape()
+    {
+    }
+
+    public override void evRewindbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+        SMvcr.evRewindbutton -= evRewindbutton;
+
+        SMvcr.setState(new SvcrRewind());
+    }
+
+    public override void evFastforwardbutton()
     {
-        throw new NotImplementedException();
     }
 }
 
-
 public class SvcrRecord : StateVCR
 {
-    public override void setStateText()
+    public SvcrRecord()
     {
-        throw new NotImplementedException();
+        Debug.Print("Record\n");
+
+        SMvcr.evStopbutton += evStopbutton;
+        SMvcr.evEndtape += evEndtape;
     }
-}
\ No newline at end of file
+    public override void evStopbutton()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evEndtape()
+    {
+        SMvcr.evStopbutton -= evStopbutton;
+        SMvcr.evEndtape -= evEndtape;
+
+        SMvcr.setState(new SvcrStandBy());
+    }
+
+    public override void evRecordbutton()
+    {
+    }
+
+    public override void evPlaybutton()
+    {
+    }
+
+    public override void evBeginningtape()
+    {
+    }
+
+    public override void evRewindbutton()
+    {
+    }
+
+    public override void evFastforwardbutton()
+    {
+    }
+}
+
+    
\ No newline at end of file