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下面的例子演示了windows shell扩展编程的一般方法———获取目录c:\program files\下的对象,然后再列出改目录下的第一个子目录中的对象。

#include "stdafx.h"
#include <Shlobj.h>
#include <Shlwapi.h>
int _tmain(int argc, _TCHAR* argv[])
{
LPITEMIDLIST pidlProgFiles = NULL;
LPITEMIDLIST pidlItems = NULL;
IShellFolder *psfFirstFolder = NULL;
IShellFolder *psfDeskTop = NULL;
IShellFolder *psfProgFiles = NULL;
LPENUMIDLIST ppenum = NULL;
ULONG celtFetched;
HRESULT hr;
STRRET strDispName;
TCHAR pszDisplayName[MAX_PATH];
ULONG uAttr;
CoInitialize( NULL );
hr = SHGetFolderLocation(NULL, CSIDL_PROGRAM_FILES, NULL, NULL, &pidlProgFiles);
// hr = SHGetFolderLocation(NULL, CSIDL_DESKTOP, NULL, NULL, &pidlProgFiles);
hr = SHGetDesktopFolder(&psfDeskTop);
hr = psfDeskTop->BindToObject(pidlProgFiles, NULL, IID_IShellFolder, (LPVOID *) &psfProgFiles);
psfDeskTop->Release();
hr = psfProgFiles->EnumObjects(NULL,SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &ppenum);
while( hr = ppenum->Next(1,&pidlItems, &celtFetched) == S_OK && (celtFetched) == 1)
{
HRESULT ret = psfProgFiles->GetDisplayNameOf(pidlItems, SHGDN_INFOLDER, &strDispName);
if(FAILED(ret))continue;
ret = StrRetToBuf(&strDispName, pidlItems, pszDisplayName, MAX_PATH);
if(FAILED(ret))continue;
MessageBox(NULL,pszDisplayName,_T("1111"),0);
wprintf(_T("%s\n"),pszDisplayName);
if(!psfFirstFolder)
{
uAttr = SFGAO_FOLDER;
psfProgFiles->GetAttributesOf(1, (LPCITEMIDLIST *) &pidlItems, &uAttr);
if(uAttr & SFGAO_FOLDER)
{
hr = psfProgFiles->BindToObject(pidlItems, NULL, IID_IShellFolder, (LPVOID *) &psfFirstFolder);
}
}
CoTaskMemFree(pidlItems);
}
ppenum->Release();
if(psfFirstFolder)
{
hr = psfFirstFolder->EnumObjects(NULL,SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &ppenum);
while( hr = ppenum->Next(1,&pidlItems, &celtFetched) == S_OK && (celtFetched) == 1)
{
psfFirstFolder->GetDisplayNameOf(pidlItems, SHGDN_INFOLDER, &strDispName);
StrRetToBuf(&strDispName, pidlItems, pszDisplayName, MAX_PATH);
wprintf(_T("%s\n"),pszDisplayName);
CoTaskMemFree(pidlItems);
}
}
ppenum->Release();
CoTaskMemFree(pidlProgFiles);
psfProgFiles->Release();
psfFirstFolder->Release();
CoUninitialize();
return 0;
}
在vs2008中配置SDK 7.0:
开始> 所有程序 > Microsoft Windows SDK v7.0 > Visual Studio Registration > Windows SDK Configuration Tool.
然后在下拉框选择 SDK v7
 
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