1 files changed, 12 insertions, 0 deletions
diff --git a/mono/Message.cs b/mono/Message.cs
index 2f5270dd..a1ff220c 100644
--- a/mono/Message.cs
+++ b/mono/Message.cs
@@ -35,6 +35,7 @@ namespace DBus
     protected string pathName = null;
     protected string interfaceName = null;
     protected string name = null;    
+    private string key= null;
 
     protected Message()
     {
@@ -263,6 +264,17 @@ namespace DBus
 	}
     }
 
+    public string Key
+    {
+      get {
+	if (this.key == null) {
+	  this.key = Name + " " + Arguments;
+	}
+	
+	return this.key;
+      }
+    }
+
     public Arguments Arguments
     {
       get