[Tizen.Applications.MessagePort] Improve null check for bundle message

Change-Id: Ic8bb7b76028294434b44d82133a346d370259fb6
Signed-off-by: Inkyun Kil <inkyun.kil@samsung.com>

diff --git a/src/Tizen.Applications.MessagePort/Tizen.Applications.Messages/MessagePort.cs b/src/Tizen.Applications.MessagePort/Tizen.Applications.Messages/MessagePort.cs
index dc44e9d..b1bd818 100755 (executable)
--- a/src/Tizen.Applications.MessagePort/Tizen.Applications.Messages/MessagePort.cs
+++ b/src/Tizen.Applications.MessagePort/Tizen.Applications.Messages/MessagePort.cs
@@ -266,7 +266,7 @@ namespace Tizen.Applications.Messages
             {
                 MessagePortErrorFactory.ThrowException((int)MessagePortError.InvalidOperation, "Should start listen before send");
             }
-            if (message == null)
+            if (message == null || message.SafeBundleHandle == null || message.SafeBundleHandle.IsInvalid)
             {
                 MessagePortErrorFactory.ThrowException((int)MessagePortError.InvalidParameter, "message is null", "Message");
             }