merged 2.2 branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/helpchm.h

@@ -0,0 +1,57 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        helpchm.h
+// Purpose:     Help system: MS HTML Help implementation
+// Author:      Julian Smart
+// Modified by:
+// Created:     16/04/2000
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_HELPCHM_H_
+#define _WX_HELPCHM_H_
+
+#ifdef __GNUG__
+#pragma interface "helpchm.h"
+#endif
+
+#include "wx/wx.h"
+
+#if wxUSE_HELP
+
+#include "wx/helpbase.h"
+
+class WXDLLEXPORT wxCHMHelpController: public wxHelpControllerBase
+{
+    DECLARE_CLASS(wxCHMHelpController)
+        
+public:
+    wxCHMHelpController() {}
+    ~wxCHMHelpController() {}
+    
+    // Must call this to set the filename
+    virtual bool Initialize(const wxString& file);
+    
+    // If file is "", reloads file given in Initialize
+    virtual bool LoadFile(const wxString& file = wxEmptyString);
+    virtual bool DisplayContents();
+    virtual bool DisplaySection(int sectionNo);
+    virtual bool DisplaySection(const wxString& section);
+    virtual bool DisplayBlock(long blockNo);
+    virtual bool KeywordSearch(const wxString& k);
+    virtual bool Quit();
+
+    inline wxString GetHelpFile() const { return m_helpFile; }
+    
+protected:
+    // Append extension if necessary.
+    wxString GetValidFilename(const wxString& file) const;
+    
+protected:
+    wxString m_helpFile;
+};
+
+#endif // wxUSE_HELP
+#endif
+// _WX_HELPCHM_H_