IWinInetCacheHints2::SetCacheExtension2 method
Changes the file name extension on the Microsoft Win32 Internet (WinInet) cache file to the specified extension.
Syntax
HRESULT SetCacheExtension2(
[in] LPCWSTR pwzExt,
[out] WCHAR *pwzCacheFile,
[in, out] DWORD *pcchCacheFile,
[out] DWORD *pdwWinInetError,
[out] DWORD *pdwReserved
);
Parameters
pwzExt [in]
Specifies the new file name extension. The extension must begin with a period.pwzCacheFile [out]
Pointer to a WCHAR buffer that receives the new cache file name.pcchCacheFile [in, out]
Address of a variable of type DWORD that specifies the size in bytes of the buffer for pwzCacheFile.pdwWinInetError [out]
Address of a variable of type DWORD that receives additional error information from WinInet, or NULL. If no error occurs, the value is set to zero.pdwReserved [out]
Reserved. Set to NULL.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
The SetCacheExtension2 method was introduced in Windows Internet Explorer 7. It uses InternetQueryOptionW to return a WCHAR version of the cache file name.
Requirements
Minimum supported client |
Windows XP with SP2 |
Minimum supported server |
Windows Server 2003 |
Product |
Internet Explorer 7 |
Header |
Urlmon.h |
IDL |
Urlmon.idl |
DLL |
Urlmon.dll |