diff --git a/pppc.cc b/pppc.cc
index e279fd9..33e9b97 100644
--- a/pppc.cc
+++ b/pppc.cc
@@ -8,6 +8,7 @@
 #include "pport.h"
 #include "resources.h"
 #include "parseCmdLine.h"
+#include "pppc.h"
 using namespace std;
 
 #define APP_NAME "Parallel Port Power Controller"
@@ -16,8 +17,6 @@ using namespace std;
 LRESULT WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
 void addMenuItem(HMENU hMenu, CHAR * itemstr, WORD id);
 
-static HINSTANCE m_hInstance;
-
 int WinMain(
     HINSTANCE hInstance,
     HINSTANCE hPrevInstance,
@@ -26,64 +25,7 @@ int WinMain(
 {
     vector<string> args = parseCmdLine(lpCmdLine);
 
-    m_hInstance = hInstance;
-
-    /* Load the application icon */
-    HICON icon = ::LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON1));
-    if (icon == 0)
-    {
-        cerr << "Warning: LoadIcon(): " << GetLastError() << endl;
-    }
-
-    /* Create the TrayIconClass class */
-    WNDCLASSEX wcex;
-    memset(&wcex, 0, sizeof(wcex));
-    wcex.cbSize         = sizeof(WNDCLASSEX); 
-    wcex.style          = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
-    wcex.lpfnWndProc    = (WNDPROC)WindowProc;
-    wcex.cbClsExtra     = 0;
-    wcex.cbWndExtra     = 0;
-    wcex.hInstance      = hInstance;
-    wcex.hIcon          = icon;
-    wcex.hCursor        = 0;
-    wcex.hbrBackground  = 0;
-    wcex.lpszMenuName   = 0;
-    wcex.lpszClassName  = "TrayIconClass";
-    wcex.hIconSm        = 0;
-
-    RegisterClassEx(&wcex);
-
-
-    /* Create the tray icon window */
-    HWND hWnd = ::CreateWindow("TrayIconClass", "", WS_POPUP, 
-                            CW_USEDEFAULT,CW_USEDEFAULT, 
-                            CW_USEDEFAULT,CW_USEDEFAULT, 
-                            NULL, 0,
-                            hInstance, 0);
-    if (hWnd == NULL)
-    {
-        cerr << "Warning: CreateWindow(): " << GetLastError() << endl;
-    }
-
-    /* Create the notify icon data */
-    NOTIFYICONDATA  nid;
-    memset(&nid, 0, sizeof(nid));
-    nid.cbSize              = sizeof(NOTIFYICONDATA);
-    nid.hWnd                = hWnd;
-    nid.uID                 = 0;
-    nid.hIcon               = icon;
-    nid.uFlags              = NIF_MESSAGE | NIF_ICON | NIF_TIP;
-    nid.uCallbackMessage    = WM_ICON_NOTIFY;
-    strncpy(nid.szTip, APP_NAME, sizeof(nid.szTip));
-
-    BOOL bResult = Shell_NotifyIcon(NIM_ADD, &nid);
-    if (bResult == 0)
-    {
-        cerr << "Warning: Shell_NotifyIcon(): " << GetLastError() << endl;
-    }
-
-    /* begin capturing session notifications */
-    session_notification_enable(hWnd);
+    PPPC myPPPC(hInstance);
 
     BOOL bRet;
     MSG msg;
@@ -128,11 +70,6 @@ int WinMain(
         }
     }
 
-    Shell_NotifyIcon(NIM_DELETE, &nid);
-
-    /* stop listening for session notifications */
-    session_notification_disable(hWnd);
-
     return bRet;
 }
 
@@ -187,3 +124,72 @@ void addMenuItem(HMENU hMenu, CHAR * itemstr, WORD id)
         cerr << "Warning: InsertMenuItem(): " << GetLastError() << endl;
     }
 }
+
+PPPC::PPPC(HINSTANCE hInstance, const char * config_file)
+{
+    /* Load the application icon */
+    HICON icon = ::LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON1));
+    if (icon == 0)
+    {
+        cerr << "Warning: LoadIcon(): " << GetLastError() << endl;
+    }
+
+    /* Create the TrayIconClass class */
+    WNDCLASSEX wcex;
+    memset(&wcex, 0, sizeof(wcex));
+    wcex.cbSize         = sizeof(WNDCLASSEX); 
+    wcex.style          = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
+    wcex.lpfnWndProc    = (WNDPROC)WindowProc;
+    wcex.cbClsExtra     = 0;
+    wcex.cbWndExtra     = 0;
+    wcex.hInstance      = hInstance;
+    wcex.hIcon          = icon;
+    wcex.hCursor        = 0;
+    wcex.hbrBackground  = 0;
+    wcex.lpszMenuName   = 0;
+    wcex.lpszClassName  = "TrayIconClass";
+    wcex.hIconSm        = 0;
+
+    RegisterClassEx(&wcex);
+
+
+    /* Create the tray icon window */
+    m_hWnd = ::CreateWindow("TrayIconClass", "", WS_POPUP, 
+                            CW_USEDEFAULT,CW_USEDEFAULT, 
+                            CW_USEDEFAULT,CW_USEDEFAULT, 
+                            NULL, 0,
+                            hInstance, 0);
+    if (m_hWnd == NULL)
+    {
+        cerr << "Warning: CreateWindow(): " << GetLastError() << endl;
+    }
+
+    /* Create the notify icon data */
+    memset(&m_nid, 0, sizeof(m_nid));
+    m_nid.cbSize              = sizeof(NOTIFYICONDATA);
+    m_nid.hWnd                = m_hWnd;
+    m_nid.uID                 = 0;
+    m_nid.hIcon               = icon;
+    m_nid.uFlags              = NIF_MESSAGE | NIF_ICON | NIF_TIP;
+    m_nid.uCallbackMessage    = WM_ICON_NOTIFY;
+    strncpy(m_nid.szTip, APP_NAME, sizeof(m_nid.szTip));
+
+    BOOL bResult = Shell_NotifyIcon(NIM_ADD, &m_nid);
+    if (bResult == 0)
+    {
+        cerr << "Warning: Shell_NotifyIcon(): " << GetLastError() << endl;
+    }
+
+    /* begin capturing session notifications */
+    session_notification_enable(m_hWnd);
+
+}
+
+PPPC::~PPPC()
+{
+    /* delete the tray icon */
+    Shell_NotifyIcon(NIM_DELETE, &m_nid);
+
+    /* stop listening for session notifications */
+    session_notification_disable(m_hWnd);
+}
diff --git a/pppc.h b/pppc.h
new file mode 100644
index 0000000..4dcc9d9
--- /dev/null
+++ b/pppc.h
@@ -0,0 +1,16 @@
+
+#ifndef PPPC_H
+#define PPPC_H
+
+class PPPC
+{
+    public:
+        PPPC(HINSTANCE hInstance, const char * config_file = NULL);
+        ~PPPC();
+
+    protected:
+        HWND            m_hWnd;
+        NOTIFYICONDATA  m_nid;
+};
+
+#endif