ShellExtension/WinMergeShell.h

   1 // WinMergeShell.h : Declaration of the CWinMergeShell
   2
   3 #ifndef __WINMERGESHELL_H_
   4 #define __WINMERGESHELL_H_
   5
   6 #include <shlobj.h>
   7 #include <comdef.h>
   8 #include <atlconv.h>  // for ATL string conversion macros
   9 #include "resource.h"       // main symbols
  10
  11 /////////////////////////////////////////////////////////////////////////////
  12 // CWinMergeShell
  13 class ATL_NO_VTABLE CWinMergeShell :
  14         public CComObjectRootEx<CComSingleThreadModel>,
  15         public CComCoClass<CWinMergeShell, &CLSID_WinMergeShell>,
  16         public IDispatchImpl<IWinMergeShell, &IID_IWinMergeShell, &LIBID_SHELLEXTENSIONLib>,
  17         public IShellExtInit,
  18         public IContextMenu
  19 {
  20 public:
  21         CWinMergeShell();
  22
  23 DECLARE_REGISTRY_RESOURCEID(IDR_WINMERGESHELL)
  24
  25 DECLARE_PROTECT_FINAL_CONSTRUCT()
  26
  27 BEGIN_COM_MAP(CWinMergeShell)
  28         COM_INTERFACE_ENTRY(IWinMergeShell)
  29         COM_INTERFACE_ENTRY(IDispatch)
  30         COM_INTERFACE_ENTRY(IShellExtInit)
  31         COM_INTERFACE_ENTRY(IContextMenu)
  32 END_COM_MAP()
  33
  34 // IWinMergeShell
  35 protected:
  36     CString m_strPaths[2];
  37         HBITMAP m_hMergeBmp;
  38         UINT    m_nSelectedItems;
  39
  40         BOOL GetWinMergeDir(CString &strDir);
  41
  42 public:
  43     // IShellExtInit
  44     STDMETHOD(Initialize)(LPCITEMIDLIST, LPDATAOBJECT, HKEY);
  45
  46     // IContextMenu
  47     STDMETHOD(GetCommandString)(UINT, UINT, UINT*, LPSTR, UINT);
  48     STDMETHOD(InvokeCommand)(LPCMINVOKECOMMANDINFO);
  49     STDMETHOD(QueryContextMenu)(HMENU, UINT, UINT, UINT, UINT);
  50 };
  51
  52 #endif //__WINMERGESHELL_H_