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command.cpp
Package: shell.rar　[view]
Upload User: xhy777
Upload Date: 2007-02-14
Package Size: 24088k
Code Size: 3k
Category:

Windows Kernel

Development Platform:

Visual C++

command.cpp：Code Content
  1. /*----------------------------------------------------------------------------
  2. / Title;
  3. /   command.cpp
  4. /
  5. / Authors;
  6. /   Rick Turner (ricktu)
  7. /
  8. / Notes;
  9. /   Implements IOleCommandTarget for My Documents code.
  10. /----------------------------------------------------------------------------*/
  11. #include "precomp.hxx"
  12. #pragma hdrstop
  15. /*-----------------------------------------------------------------------------
  16. / CMyDocsCommand
  17. /   This is the My Documents IOleCommandTarget implementation.
  18. /----------------------------------------------------------------------------*/
  20. CMyDocsCommand::CMyDocsCommand( )
  21. {
  22.     TraceEnter(TRACE_COMMAND, "CMyDocsCommand::CMyDocsCommand");
  24.     TraceLeave();
  25. }
  27. CMyDocsCommand::~CMyDocsCommand()
  28. {
  29.     TraceEnter(TRACE_COMMAND, "CMyDocsCommand::~CMyDocsCommand");
  31.     TraceLeave();
  32. }
  35. #undef CLASS_NAME
  36. #define CLASS_NAME CMyDocsCommand
  37. #include "unknown.inc"
  39. STDMETHODIMP
  40. CMyDocsCommand::QueryInterface(REFIID riid, LPVOID* ppvObject)
  41. {
  42.     INTERFACES iface[] =
  43.     {
  44.         &IID_IOleCommandTarget, (IOleCommandTarget *)this,
  45.     };
  47.     return HandleQueryInterface(riid, ppvObject, iface, ARRAYSIZE(iface));
  48. }
  51. /*-----------------------------------------------------------------------------
  52. / IOleCommandTarget
  53. /----------------------------------------------------------------------------*/
  54. STDMETHODIMP
  55. CMyDocsCommand::QueryStatus( const GUID *pguidCmdGroup,
  56.                              ULONG cCmds,
  57.                              OLECMD prgCmds[],
  58.                              OLECMDTEXT *pCmdText
  59.                             )
  60. {
  61.     HRESULT hr = OLECMDERR_E_UNKNOWNGROUP;
  63.     TraceEnter(TRACE_COMMAND, "CMyDocsCommand::QueryStatus");
  65.     if (IsEqualGUID(*pguidCmdGroup, CGID_ShellServiceObject))
  66.     {
  67.         // We like Shell Service Object notifications...
  68.         hr = S_OK;
  69.     }
  71.     TraceLeaveResult(hr);
  72. }
  74. /*---------------------------------------------------------------------------*/
  75. STDMETHODIMP
  76. CMyDocsCommand::Exec( const GUID *pguidCmdGroup,
  77.                       DWORD nCmdID,
  78.                       DWORD nCmdexecopt,
  79.                       VARIANTARG *pvaIn,
  80.                       VARIANTARG *pvaOut
  81.                      )
  82. {
  83.     HRESULT hr = E_NOTIMPL;
  85.     TraceEnter(TRACE_COMMAND, "CMyDocsCommand::Exec");
  87.     if (IsEqualGUID(*pguidCmdGroup, CGID_ShellServiceObject))
  88.     {
  89.         // Handle Shell Service Object notifications here.
  90.         switch (nCmdID)
  91.         {
  92.             case SSOCMDID_OPEN:
  93.                 Trace(TEXT("Called w/OPEN"));
  94.                 hr = _CheckPerUserSettings();
  95.                 break;
  97.             case SSOCMDID_CLOSE:
  98.                 Trace(TEXT("Called w/CLOSE"));
  99.                 hr = _RemovePerUserSettings();
  100.                 break;
  102.             default:
  103.                 hr = S_OK;
  104.                 break;
  105.         }
  106.     }
  108.     TraceLeaveResult( hr );
  109. }