Index: /trunk/include/VBox/vrdpapi.h
===================================================================
--- /trunk/include/VBox/vrdpapi.h	(revision 30244)
+++ /trunk/include/VBox/vrdpapi.h	(revision 30245)
@@ -958,4 +958,5 @@
 #define VRDP_QP_VIDEO_CHANNEL         (5)
 #define VRDP_QP_VIDEO_CHANNEL_QUALITY (6)
+#define VRDP_QP_VIDEO_CHANNEL_SUNFLSH (7)
 #endif /* VBOX_WITH_VRDP_VIDEO_CHANNEL */
 
Index: /trunk/src/VBox/Main/ConsoleVRDPServer.cpp
===================================================================
--- /trunk/src/VBox/Main/ConsoleVRDPServer.cpp	(revision 30244)
+++ /trunk/src/VBox/Main/ConsoleVRDPServer.cpp	(revision 30245)
@@ -786,4 +786,32 @@
             {
                 *(uint32_t *)pvBuffer = (uint32_t)ulQuality;
+                rc = VINF_SUCCESS;
+            }
+            else
+            {
+                rc = VINF_BUFFER_OVERFLOW;
+            }
+
+            *pcbOut = sizeof(uint32_t);
+        } break;
+
+        case VRDP_QP_VIDEO_CHANNEL_SUNFLSH:
+        {
+            ULONG ulSunFlsh = 0;
+
+            com::Bstr bstr;
+            HRESULT hrc = server->mConsole->machine ()->GetExtraData(Bstr("VRDP/SunFlsh"), bstr.asOutParam());
+            if (hrc == S_OK && !bstr.isEmpty())
+            {
+                com::Utf8Str sunFlsh = bstr;
+                if (!sunFlsh.isEmpty())
+                {
+                    ulSunFlsh = sunFlsh.toUInt32();
+                }
+            }
+
+            if (cbBuffer >= sizeof(uint32_t))
+            {
+                *(uint32_t *)pvBuffer = (uint32_t)ulSunFlsh;
                 rc = VINF_SUCCESS;
             }