diff --git a/app/SysTray-X/windowctrl-win.cpp b/app/SysTray-X/windowctrl-win.cpp
index 14af8d5..7943ebb 100644
--- a/app/SysTray-X/windowctrl-win.cpp
+++ b/app/SysTray-X/windowctrl-win.cpp
@@ -5,9 +5,59 @@
 /*
  *  Constructor
  */
-WindowCtrl::WindowCtrl(QObject *parent) : QObject(parent)
+WindowCtrlWin::WindowCtrlWin( QObject *parent) : QObject( parent )
 {
 
 }
 
+
+/*
+ *  Find the window with title
+ */
+bool    WindowCtrlWin::findWindow( const QString& title )
+{
+    return false;
+}
+
+
+/*
+ *  Display the window elements
+ */
+void    WindowCtrlWin::displayWindowElements( const QString& title )
+{
+}
+
+
+/*
+ *  Get the Thunderbird window ID
+ */
+QList< WinId >   WindowCtrlWin::getWinIds()
+{
+    return m_tb_windows;
+}
+
+
+/*
+ *  Minimize a window
+ */
+void    WindowCtrlWin::minimizeWindow( WinId window )
+{
+}
+
+
+/*
+ *  Normalize a window
+ */
+void    WindowCtrlWin::normalizeWindow( WinId window )
+{
+}
+
+
+/*
+ *  Hide a window
+ */
+void    WindowCtrlWin::hideWindow( WinId window, bool state )
+{
+}
+
 #endif // Q_OS_WIN
diff --git a/app/SysTray-X/windowctrl-win.h b/app/SysTray-X/windowctrl-win.h
index b5a58b5..fa3e66c 100644
--- a/app/SysTray-X/windowctrl-win.h
+++ b/app/SysTray-X/windowctrl-win.h
@@ -6,6 +6,14 @@
 
 #include <QObject>
 
+/*
+ *  Define the windows Id
+ */
+typedef unsigned long   WinId;
+
+/**
+ * @brief The WindowCtrlWin class
+ */
 class WindowCtrlWin : public QObject
 {
     Q_OBJECT
@@ -19,6 +27,51 @@ class WindowCtrlWin : public QObject
          */
         explicit WindowCtrlWin( QObject *parent = nullptr );
 
+        /**
+         * @brief findWindow. Find window with title.
+         *
+         *  @param title    The title to find.
+         *
+         *  @return     State of the find.
+         */
+        bool    findWindow( const QString& title );
+
+        /**
+         * @brief displayWindowElements. Display window elements.
+         *
+         *  @param title    The title to find.
+         */
+        void    displayWindowElements( const QString& title );
+
+        /**
+         * @brief getWinIds. Get the Thunderbird window IDs.
+         *
+         *  @return     The list of window IDs.
+         */
+        QList< WinId >   getWinIds();
+
+        /**
+         * @brief minimizeWindow. Minimize window.
+         *
+         *  @param window   The window.
+         */
+        void    minimizeWindow( WinId window );
+
+        /**
+         * @brief normalizeWindow. Normalize window.
+         *
+         *  @param window   The window.
+         */
+        void    normalizeWindow( WinId window );
+
+        /**
+         * @brief hideWindow. Hide window.
+         *
+         *  @param window   The window.
+         *  @param state    The state of the window.
+         */
+        void    hideWindow( WinId window, bool state );
+
     signals:
 
         /**
@@ -37,6 +90,20 @@ class WindowCtrlWin : public QObject
          * @brief signalWindowMinimuze. Signal minimize window.
          */
         void signalWindowMinimize();
+
+        /**
+         * @brief signalConsole. Send a console message.
+         *
+         *  @param message      The message.
+         */
+        void    signalConsole( QString message );
+
+    private:
+
+        /**
+         * @brief m_tb_window. The Thunderbird windows.
+         */
+        QList< WinId >  m_tb_windows;
 };
 
 #endif // WINDOWCTRLWIN_H
diff --git a/app/SysTray-X/windowctrl.cpp b/app/SysTray-X/windowctrl.cpp
index ff44eb3..ef0490a 100644
--- a/app/SysTray-X/windowctrl.cpp
+++ b/app/SysTray-X/windowctrl.cpp
@@ -9,13 +9,18 @@
  */
 #include "windowctrl.h"
 
+/*
+ *  System includes
+ */
+#include "preferences.h"
+
 /*
  *  Constructor
  */
 WindowCtrl::WindowCtrl( Preferences* pref, QObject *parent ) :
 #ifdef Q_OS_UNIX
     WindowCtrlUnix( parent )
-#elif Q_OS_WIN
+#elif defined Q_OS_WIN
     WindowCtrlWin( parent )
 #else
     public QObject
@@ -40,7 +45,7 @@ void    WindowCtrl::slotWindowTest1()
 
     // Do something.
 
-    displayWindowAtoms( "- Mozilla Thunderbird" );
+    displayWindowElements( "- Mozilla Thunderbird" );
 //    findWindow( 4313 );
 
 
@@ -149,9 +154,9 @@ void    WindowCtrl::slotShowHide()
     {
         m_state = "normal";
 
-        foreach( unsigned long win_id, getWIds() )
+        foreach( unsigned long win_id, getWinIds() )
         {
-            skipTaskbarWindow( win_id, false );
+            hideWindow( win_id, false );
             normalizeWindow( win_id );
         }
 
@@ -160,11 +165,11 @@ void    WindowCtrl::slotShowHide()
     } else {
         m_state = "minimized";
 
-        foreach( unsigned long win_id, getWIds() )
+        foreach( unsigned long win_id, getWinIds() )
         {
             if( m_minimize_hide )
             {
-                skipTaskbarWindow( win_id, true );
+                hideWindow( win_id, true );
             }
             minimizeWindow( win_id );
         }
diff --git a/app/SysTray-X/windowctrl.h b/app/SysTray-X/windowctrl.h
index 7c94d2d..e1f531f 100644
--- a/app/SysTray-X/windowctrl.h
+++ b/app/SysTray-X/windowctrl.h
@@ -16,14 +16,15 @@
  *  Predefines
  */
 class QWindow;
+class Preferences;
 
 /**
  * @brief The WindowCtrl class.
  */
 #ifdef Q_OS_UNIX
 class WindowCtrl : public WindowCtrlUnix
-#elif Q_OS_WIN
-class WindowCtrl : public WindowCtrl
+#elif defined Q_OS_WIN
+class WindowCtrl : public WindowCtrlWin
 #else
 class WindowCtrl : public QObject
 #endif