Important Update:

- SelectableCore:
  - Made GetType() & GetState() public methods
  - Update logs in Input()
- FunctionCore:
  - Add Input/OutputEnabled parameters with Get/Set methods.
  - Update logging in Input() and Output()
  - Check if input/output enabled in Input() and Output()

FunctionCore.h

@@ -34,6 +34,9 @@ struct SChannel
     TChannelLink    * FirstInput;
     TChannelLink    * FirstOutput;
 
+    bool            InputEnabled;
+    bool            OutputEnabled;
+
     TChannel        * Next;
 };
 //---------------------------------------------------------------------------
@@ -67,10 +70,10 @@ protected:
 
     // Manage Channel
     inline TChannel *  GetChannel( const char * Name ) {
+        if (!Name) return NULL;
         TChannel * Channel = FirstChannel;
-        while (Channel && strcmp( Name, Channel->Name )) {
+        while (Channel && strcmp( Name, Channel->Name ))
             Channel = Channel->Next;
-        }
         return Channel;
     }
 
@@ -88,7 +91,27 @@ public:
     inline const char * GetName()   { return Name; };
 
     // Manage Channels
-    virtual TChannel *  AddChannel( const char * ChannelName );
+    virtual TChannel *  AddChannel( const char * ChannelName, const bool pInputEnable = true, const bool pOutputEnabled = true );
+    inline bool        SetChannelOutEnable( const char * ChannelName, const bool pOutputEnable ) {
+        TChannel * Channel = GetChannel( ChannelName );
+        if (!Channel) return false;
+        Channel->OutputEnabled = pOutputEnable;
+        return true;
+    }
+    inline bool        SetChannelInEnable( const char * ChannelName, const bool pInputEnable ) {
+        TChannel * Channel = GetChannel( ChannelName );
+        if (!Channel) return false;
+        Channel->InputEnabled = pInputEnable;
+        return true;
+    }
+    inline bool         isInputEnabled( const char * ChannelName ) {
+        TChannel * Channel = GetChannel( ChannelName );
+        return ((Channel)? Channel->InputEnabled : false);
+    }
+    inline bool         isOutputEnabled( const char * ChannelName ) {
+        TChannel * Channel = GetChannel( ChannelName );
+        return ((Channel)? Channel->OutputEnabled : false);
+    }
 
     // Manual Data Input/Output
     virtual int Input( const char * ChannelName, const char * Data, int MaxLen = -1 );