diff --git a/MainFrame.cpp b/MainFrame.cpp
index 89ad104..fa1fca1 100644
--- a/MainFrame.cpp
+++ b/MainFrame.cpp
@@ -9,6 +9,11 @@ CMainFrame::CMainFrame(const wxString& title)
     this->Bind(wxEVT_LEFT_UP, &CMainFrame::mouse_leftup, this);
 }
 
+void CMainFrame::init()
+{
+    
+}
+
 void CMainFrame::mouse_down(wxMouseEvent& event)
 {
     drag_ = true;
diff --git a/MainFrame.h b/MainFrame.h
index 131be3e..b41e2fd 100644
--- a/MainFrame.h
+++ b/MainFrame.h
@@ -6,6 +6,9 @@ class CMainFrame : public wxFrame
 public:
     explicit CMainFrame(const wxString& title);
 
+public:
+    void init();
+
 private:
     void mouse_down(wxMouseEvent& event);
     void mouse_motion(wxMouseEvent& event);