[Applications.Common] Remove warning messages (#5532)

[platform/core/csapi/tizenfx.git] / src / Tizen.Applications.Common / Tizen.Applications / ApplicationManager.cs

diff --git a/src/Tizen.Applications.Common/Tizen.Applications/ApplicationManager.cs b/src/Tizen.Applications.Common/Tizen.Applications/ApplicationManager.cs
index 2df8785..21abc91 100755 (executable)
--- a/src/Tizen.Applications.Common/Tizen.Applications/ApplicationManager.cs
+++ b/src/Tizen.Applications.Common/Tizen.Applications/ApplicationManager.cs
@@ -217,6 +217,11 @@ namespace Tizen.Applications
         /// <since_tizen> 6 </since_tizen>
         public static void TerminateBackgroundApplication(ApplicationRunningContext app)
         {
+            if (app == null)
+            {
+                throw new ArgumentException("Invalid argument.");
+            }
+
             ErrorCode err = Interop.ApplicationManager.AppManagerRequestTerminateBgApp(app._contextHandle);
             if (err != Interop.ApplicationManager.ErrorCode.None)
             {