diff --git a/DMX-2.0.userprefs b/DMX-2.0.userprefs
index d6b5fbb..a15ef10 100644
--- a/DMX-2.0.userprefs
+++ b/DMX-2.0.userprefs
@@ -1,6 +1,6 @@
 <Properties>
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug|x86" />
-  <MonoDevelop.Ide.Workbench ActiveDocument="DMX-2.0/SequenceurLineaire.cs">
+  <MonoDevelop.Ide.Workbench ActiveDocument="DMX-2.0/IDriverDMX.cs">
     <Files>
       <File FileName="DMX-2.0/Main.cs" Line="4" Column="15" />
       <File FileName="DMX-2.0/MainWindow.cs" Line="17" Column="1" />
@@ -8,7 +8,8 @@
       <File FileName="DMX-2.0/AssemblyInfo.cs" Line="1" Column="1" />
       <File FileName="DMX-2.0/UniversDMX.cs" Line="48" Column="12" />
       <File FileName="DMX-2.0/Sequenceur.cs" Line="31" Column="1" />
-      <File FileName="DMX-2.0/SequenceurLineaire.cs" Line="28" Column="7" />
+      <File FileName="DMX-2.0/SequenceurLineaire.cs" Line="6" Column="22" />
+      <File FileName="DMX-2.0/IDriverDMX.cs" Line="13" Column="1" />
     </Files>
   </MonoDevelop.Ide.Workbench>
   <MonoDevelop.Ide.DebuggingService.Breakpoints>
diff --git a/DMX-2.0/DMX-2.0.csproj b/DMX-2.0/DMX-2.0.csproj
index 3d0c00f..529e71d 100644
--- a/DMX-2.0/DMX-2.0.csproj
+++ b/DMX-2.0/DMX-2.0.csproj
@@ -57,6 +57,7 @@
       <Package>gtk-sharp-2.0</Package>
     </Reference>
     <Reference Include="Mono.Posix" />
+    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="gtk-gui\gui.stetic">
@@ -73,6 +74,7 @@
     <Compile Include="UniversDMX.cs" />
     <Compile Include="Sequenceur.cs" />
     <Compile Include="SequenceurLineaire.cs" />
+    <Compile Include="IDriverDMX.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/DMX-2.0/Sequenceur.cs b/DMX-2.0/Sequenceur.cs
index 1d2d834..3dc0dbc 100644
--- a/DMX-2.0/Sequenceur.cs
+++ b/DMX-2.0/Sequenceur.cs
@@ -1,12 +1,23 @@
 using System;
 using System.Collections.Generic;
+using System.Xml;
 
 namespace DMX2
 {
 	public abstract class Sequenceur
 	{
+
+		static int idmax;
+
+		public Sequenceur (int id)
+		{
+			this.id = id;
+			idmax = Math.Max(id,idmax);
+		}
+
 		public Sequenceur ()
 		{
+			id = idmax++;
 		}
 
 		int id;
@@ -20,11 +31,12 @@ namespace DMX2
 
 		public abstract int EtatCircuit(Circuit c);
 		public abstract void Tick(TimeSpan time);
-		public static Sequenceur Load()
+		public static Sequenceur Load(XmlElement el)
 		{
-			 throw new NotImplementedException();
+			return null;
 		}
-		public abstract void Save();
+
+		public abstract XmlElement Save();
 	}
 }
 
diff --git a/DMX-2.0/SequenceurLineaire.cs b/DMX-2.0/SequenceurLineaire.cs
index 9397a26..7e8a839 100644
--- a/DMX-2.0/SequenceurLineaire.cs
+++ b/DMX-2.0/SequenceurLineaire.cs
@@ -1,12 +1,13 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 
 namespace DMX2
 {
 	public class SequenceurLineaire : Sequenceur
 	{
 
-		TimeSpan timeStamp;
+		TimeSpan timeStamp = TimeSpan.Zero;
 
 		public TimeSpan TimeStamp {
 			get {
@@ -15,37 +16,69 @@ namespace DMX2
 		}
 
 		public class Effet {
-			public string Nom;
-			Dictionary<Circuit,int> valeurs = new Dictionary<Circuit, int>();
+
+			string _nom;
+			public Effet(string nom, Dictionary<Circuit,int> valeurs, TimeSpan duree, TimeSpan transition)
+			{
+				_nom=nom;
+				_valeurs = new Dictionary<Circuit, int>(valeurs);
+				_duree=duree;
+				_transition=transition;
+			}
+			public string Nom {
+				get {
+					return _nom;
+				}
+			}
+
+			Dictionary<Circuit,int> _valeurs;
 			public int this [Circuit index] {
 				get {
-					if(!valeurs.ContainsKey(index))
-						valeurs.Add(index,0);
-					return valeurs[index];
-				}
-				set {
-					if(valeurs.ContainsKey (index))
-						valeurs[index] = value;
-					else
-						valeurs.Add(index,value);
+					if(!_valeurs.ContainsKey(index))
+						_valeurs.Add(index,0);
+					return _valeurs[index];
 				}
 			}
 			public void RetireCircuit(Circuit c){
-				valeurs.Remove(c);
+				_valeurs.Remove(c);
 			}
-			public TimeSpan Duree;
-			public TimeSpan Transition;
+			TimeSpan _duree =TimeSpan.Zero ;
+			TimeSpan _transition = TimeSpan.Zero;
+			public TimeSpan Duree {
+				get {
+					return _duree;
+				}
+			}			
+			public TimeSpan Transition {
+				get {
+					return _transition;
+				}
+			}
+
+
 		}
 
 		List<Circuit> circuitsSeq = new List<Circuit>();
-		List<Effet> effets;
+		List<Effet> effets = new List<Effet>();
+
+		public ReadOnlyCollection<Effet> Effets {
+			get {
+				return effets.AsReadOnly() ;
+			}
+		}
+		Effet effetcourrant=null;
 
 		bool enTransition=false;
 
-
+		Dictionary<Circuit,int> valeurscourantes = new Dictionary<Circuit, int>();
+		Dictionary<Circuit,int> valeursinitiales = new Dictionary<Circuit, int>();
 
 		public SequenceurLineaire ()
 		{
+		}
+
+		public SequenceurLineaire (int id) :base (id)
+		{
 
 		}
 
@@ -53,11 +86,53 @@ namespace DMX2
 		{
 			if (!circuitsSeq.Contains (c)) 
 				return 0;
+			return valeurscourantes[c];
 		}
 
 		public override void Tick (TimeSpan time)
 		{
+			timeStamp += time;
+			if (enTransition) {
+				if(timeStamp<effetcourrant.Duree){
+					foreach( Circuit c in circuitsSeq)
+					{
+						if(valeurscourantes[c] != effetcourrant[c])
+						{
+							valeurscourantes[c] = (effetcourrant[c]-valeursinitiales[c]) * effetcourrant.Duree.Milliseconds / time.Milliseconds + valeursinitiales[c];
+						}
+					}
+				}
+				else
+				{
+					FinDeTransition();
+				}
+			}
+		}
 
+		void FinDeTransition ()
+		{
+			enTransition = false;
+			foreach( Circuit c in circuitsSeq)
+				valeurscourantes[c]=effetcourrant[c];
+		}
+
+
+		public void ChangeEffet(Effet effet)
+		{
+			effetcourrant = effet;
+			valeursinitiales = new Dictionary<Circuit, int>(valeurscourantes);
+			enTransition = true;
+			timeStamp = TimeSpan.Zero;
+		}
+
+		public void SauveEffet (string nom, TimeSpan duree, TimeSpan transition)
+		{
+			effets.Add(new Effet(nom, valeurscourantes,duree,transition));
+		}
+
+		public override System.Xml.XmlElement Save ()
+		{
+			throw new System.NotImplementedException ();
 		}
 
 	}
diff --git a/DMX-2.0/UniversDMX.cs b/DMX-2.0/UniversDMX.cs
index b152b12..2b8adc5 100644
--- a/DMX-2.0/UniversDMX.cs
+++ b/DMX-2.0/UniversDMX.cs
@@ -7,8 +7,15 @@ namespace DMX2
 	public class UniversDMX
 	{
 
-		Grada[] _gradas = new Grada[512];
+		static int nb=1;
 
+		public UniversDMX()
+		{
+			Nom = "Univers DMX n°"+ nb++.ToString();
+		}
+
+		Grada[] _gradas = new Grada[512];
+		public string Nom;
 		public enum FTransfer {
 			lineaire,
 			log,