#include <shlobj.h>
#include <comdef.h>
 
void MyIShellFolder( )
{
 
	HRESULT			hr;
	LPSHELLFOLDER		pDesktop;
	LPSHELLFOLDER		pTargetFolder;
	LPITEMIDLIST		pidlTarget;
	LPITEMIDLIST		pidlItem;
	LPENUMIDLIST		pEnum;
	DWORD			dwRetrieved;
	STRRET			str;	// STRRET 構造体
	char			szName[MAX_PATH];
 
	_bstr_t			MyComp( "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}" );
	_bstr_t			Cpanel( "::{21EC2020-3AEA-1069-A2DD-08002B30309D}" );
	_bstr_t			Sep( "\\" );
	_bstr_t			Target("");
	Target.operator += (MyComp);
	Target.operator += (Sep);
	Target.operator += (Cpanel);
 
	// デスクトップフォルダの取得
	hr = SHGetDesktopFolder( &pDesktop );
	if( FAILED( hr ) ) {
		return;
	}
 
	hr = pDesktop->ParseDisplayName(
		NULL,
		NULL,
		Target,
		NULL,
		&pidlTarget,
		NULL
	);
	if ( pidlTarget == NULL ) {
		pDesktop->Release();
		return;
	}
 
	// フォルダオブジェクトの取得
	hr = pDesktop->BindToObject(
				pidlTarget,
				NULL,
				IID_IShellFolder,
				(LPVOID*)&pTargetFolder
			);
	if( FAILED( hr ) ) {
		pDesktop->Release();
		return;
	}
 
	// 一覧の取得
	hr = pTargetFolder->EnumObjects(
				NULL,
				SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
				&pEnum
			);
	if( FAILED( hr ) ) {
		pTargetFolder->Release();
		pDesktop->Release();
		return;
	}
 
	while( 1 ) {
 
		// pidlItem に一つセットする
		hr = pEnum->Next( 1, &pidlItem, &dwRetrieved );
		if( FAILED( hr ) ) {
			break;
		}
		if ( dwRetrieved == 0 ) {
			break;
		}
 
		hr = pTargetFolder->GetDisplayNameOf( pidlItem, SHGDN_NORMAL, &str );
		if( FAILED( hr ) ) {
			continue;
		}
 
		WideCharToMultiByte( CP_ACP,
				0,
				str.pOleStr,
				-1,
				szName,
				MAX_PATH,
				NULL,
				NULL
			);
		MessageBox( NULL, szName, "", MB_OK );
 
	}
 
	// 取得したものは解放
	pEnum->Release();
	pTargetFolder->Release();
	pDesktop->Release();
 
}

typedef struct _SHITEMID { 
    USHORT cb; 
    BYTE   abID[1]; 
} SHITEMID, * LPSHITEMID;

typedef struct _ITEMIDLIST {
    SHITEMID mkid;
} ITEMIDLIST;

LPITEMIDLIST CreateNewIdlist( 
LPMALLOC pMalloc,
LPITEMIDLIST pidl1,
LPITEMIDLIST pidl2
)
{
	UINT cb1,cb2;
	UINT cbWork;
	LPITEMIDLIST pidlTemp;
	LPITEMIDLIST pidlNew;
 
	// pidl1 のサイズ取得
	cbWork = 0;
	pidlTemp = pidl1;
 
	while ( pidlTemp->mkid.cb ) {
		cbWork += pidlTemp->mkid.cb;
		pidlTemp = (LPITEMIDLIST)(LPBYTE)(((LPBYTE)pidlTemp) + pidlTemp->mkid.cb );
	}	
 
	cb1 = cbWork;
 
	// pidl2 のサイズ取得
	cbWork = 0;
	pidlTemp = pidl2;
 
	while ( pidlTemp->mkid.cb ) {
		cbWork += pidlTemp->mkid.cb;
		pidlTemp = (LPITEMIDLIST)(LPBYTE)(((LPBYTE)pidlTemp) + pidlTemp->mkid.cb );
	}	
 
	cb2 = cbWork;
 
	// 両方のサイズ + 2 でアロケート
	pidlNew = (LPITEMIDLIST)pMalloc->Alloc( cb1 + cb2 + 2 );
	ZeroMemory( pidlNew, cb1 + cb2 + 2 );
 
	// データ転送
	CopyMemory( pidlNew, pidl1, cb1 );
	CopyMemory( ((LPBYTE)pidlNew) + cb1, pidl2, cb2 );
 
	return pidlNew;
 
}

#include <shellapi.h>
 
void ExecuteFolderItem(
LPITEMIDLIST pidl1,
LPITEMIDLIST pidl2
)
{
	LPMALLOC		pMalloc;
	LPITEMIDLIST		pidlTarget;
	SHELLEXECUTEINFO	sei;
 
	// ITEMIDLIST のメモリ領域は、このインターフェイスで作成しなければなりません
	if ( FAILED( SHGetMalloc( &pMalloc ) ) ) {
		return;
	}
 
	pidlTarget = CreateNewIdlist( pMalloc, pidl1, pidl2 );
 
	// 呼び出しに必要な値のセット
	ZeroMemory(&sei, sizeof(sei));
	sei.cbSize     = sizeof(SHELLEXECUTEINFO);
	sei.fMask      = SEE_MASK_INVOKEIDLIST | SEE_MASK_FLAG_NO_UI;
	sei.lpIDList   = pidlTarget;
	sei.nShow      = SW_SHOWDEFAULT;
 
	ShellExecuteEx( &sei );
 
	pMalloc->Free( pidlTarget );
   
}

if ( lstrcmp( szName, "プログラムの追加と削除" ) == 0 ) {
	ExecuteFolderItem( pidlTarget, pidlItem );
	break;
}