Added optional channel support to Say/Shout/Whisper in TestClient.

git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@670 52acb1d6-8a22-11de-b505-999d5b087335

libsecondlife-cs/examples/TestClient/Commands/SayCommand.cs

@@ -16,14 +16,31 @@ namespace libsecondlife.TestClient
 
         public override string Execute(SecondLife Client, string[] args, LLUUID fromAgentID)
 		{
-			if (args.Length < 1)
-                return "usage: say whatever";
+            int channel = 0;
+            int startIndex = 0;
+            string message = String.Empty;
+            if (args.Length < 1)
+            {
+                return "usage: say (optional channel) whatever";
+            }
+            else if (args.Length > 1)
+            {
+                try
+                {
+                    channel = Convert.ToInt32(args[0]);
+                    startIndex = 1;
+                }
+                catch (FormatException)
+                {
+                    channel = 0;
+                }
+            }
+            
+			for (int i = startIndex; i < args.Length; i++) {
+				message += args[i] + " ";
+            }
 
-			string message = String.Empty;
-			foreach (string s in args)
-				message += s + " ";
-
-			Client.Self.Chat(message, 0, MainAvatar.ChatType.Normal);
+			Client.Self.Chat(message, channel, MainAvatar.ChatType.Normal);
 
             return "Said " + message;
 		}