windows-nt/Source/XPSP1/NT/admin/snapin/filemgmt/wraps.cpp
2020-09-26 16:20:57 +08:00

56 lines
1.1 KiB
C++

//
// wraps.cpp - wrapper functions for apis
//
#include "stdafx.h"
#include "cmponent.h"
#define DONT_WANT_SHELLDEBUG
#include "shlobjp.h" // LPITEMIDLIST
#if _WIN32_IE >= 0x0400
//
// Wrapper unnecessary for WIN64
//
#else
//
// We need this wrapper for ILCreateFromPath since it was a TCHAR exported by ordinal
// on NT4 and now has A/W versions on NT5. Since we want to be able to run on both of
// these platforms we wrap the API here.
//
// This api just loads shell32, and calls ordinal 157 which is the old TCHAR export
//
typedef LPITEMIDLIST (__stdcall *PFNILCREATEFROMPATH)(LPCTSTR pszPath);
STDAPI_(LPITEMIDLIST) Wrap_ILCreateFromPath(LPCWSTR pszPath)
{
static PFNILCREATEFROMPATH pfn = (PFNILCREATEFROMPATH)-1;
if (pfn == (PFNILCREATEFROMPATH)-1)
{
HINSTANCE hinst = LoadLibrary(TEXT("shell32.dll"));
if (hinst)
{
pfn = (PFNILCREATEFROMPATH) GetProcAddress(hinst, (LPCSTR)157);
}
else
{
pfn = NULL;
}
}
if (pfn)
{
return pfn(pszPath);
}
// If we failed for some reason, just return NULL
return NULL;
}
#endif