Index: /trunk/GnssCenter/src/mainwin.cpp
===================================================================
--- /trunk/GnssCenter/src/mainwin.cpp	(revision 5008)
+++ /trunk/GnssCenter/src/mainwin.cpp	(revision 5009)
@@ -19,4 +19,5 @@
 #include "settings.h" 
 #include "mdiarea.h" 
+#include "plugininterface.h" 
 #include "map/svgmap.h"
 #include "inpedit/inpfile.h"
Index: /trunk/GnssCenter/src/plugininterface.h
===================================================================
--- /trunk/GnssCenter/src/plugininterface.h	(revision 5009)
+++ /trunk/GnssCenter/src/plugininterface.h	(revision 5009)
@@ -0,0 +1,17 @@
+#ifndef GnssCenter_PLUGININTERFACE_H
+#define GnssCenter_PLUGININTERFACE_H
+
+#include <QtGui>
+
+namespace GnssCenter {
+
+class t_pluginInterface : public QWidget {
+    
+ public:
+  t_pluginInterface(const QString& fileName = QString());
+  virtual ~t_pluginInterface() = 0;
+};
+
+} // namespace GnssCenter
+
+#endif