- int (*HandleMessage)(tWindow *Window, int MessageID, int Length, void *Data);
+ int (*HandleMessage)(tWindow *Window, int MessageID, int Length, const void *Data);
+
+ int nIPCHandlers;
+
+ /**
+ * \brief IPC Message handler
+ */
+ int (*IPCHandlers[])(tWindow *Window, size_t Length, const void *Data);