ICONHDLR.CPP

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE. 
// 
// Copyright 1993 - 1998 Microsoft Corporation.  All Rights Reserved. 
// 
// Modudule: ICONHDLR.CPP 
// 
// Purpose:  Implements the IExtractIcon and IPersistFile member 
//           functions necessary to support the icon handler portion 
//           of this shell extension. 
// 
 
#include "priv.h" 
#include "shellext.h" 
 
extern HINSTANCE g_hmodThisDll; // Handle to this DLL itself. 
 
// *********************** IExtractIcon Implementation ************************* 
 
STDMETHODIMP CShellExt::GetIconLocation(UINT   uFlags, 
                                        LPSTR  szIconFile, 
                                        UINT   cchMax, 
                                        int   *piIndex, 
                                        UINT  *pwFlags) 
{   
    ODS("CShellExt::GetIconLocation()\r\n"); 
 
    GetModuleFileName(g_hmodThisDll, szIconFile, cchMax); 
 
    *piIndex = (int)GetPrivateProfileInt("IconImage",  
                                         "Index",  
                                         0,  
                                         m_szFileUserClickedOn); 
 
    return S_OK; 
} 
 
 
STDMETHODIMP CShellExt::Extract(LPCSTR pszFile, 
                                UINT   nIconIndex, 
                                HICON  *phiconLarge, 
                                HICON  *phiconSmall, 
                                UINT   nIconSize) 
{ 
    ODS("CShellExt::Extract()\r\n"); 
 
    return S_FALSE; 
} 
 
 
// *********************** IPersistFile Implementation ****************** 
 
STDMETHODIMP CShellExt::GetClassID(LPCLSID lpClassID) 
{ 
    ODS("CShellExt::GetClassID()\r\n"); 
 
    return E_FAIL; 
} 
 
STDMETHODIMP CShellExt::IsDirty() 
{ 
    ODS("CShellExt::IsDirty()\r\n"); 
 
    return S_FALSE; 
} 
 
STDMETHODIMP CShellExt::Load(LPCOLESTR lpszFileName, DWORD grfMode) 
{ 
    ODS("CShellExt::Load()\r\n"); 
 
    WideCharToMultiByte(CP_ACP,                // CodePage 
                        0,              // dwFlags 
                        lpszFileName,          // lpWideCharStr 
                        -1,                    // cchWideChar 
                        m_szFileUserClickedOn, // lpMultiByteStr 
                        sizeof(m_szFileUserClickedOn),  // cchMultiByte, 
                        NULL,                  // lpDefaultChar, 
                        NULL);                 // lpUsedDefaultChar 
 
    return NOERROR; 
} 
 
STDMETHODIMP CShellExt::Save(LPCOLESTR lpszFileName, BOOL fRemember) 
{ 
    ODS("CShellExt::Save()\r\n"); 
 
    return E_FAIL; 
} 
 
STDMETHODIMP CShellExt::SaveCompleted(LPCOLESTR lpszFileName) 
{ 
    ODS("CShellExt::SaveCompleted()\r\n"); 
 
    return E_FAIL; 
} 
 
STDMETHODIMP CShellExt::GetCurFile(LPOLESTR FAR* lplpszFileName) 
{ 
    ODS("CShellExt::GetCurFile()\r\n"); 
 
    return E_FAIL; 
}