GetClassFileOrMime

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Retrieves the CLSID of the object to instantiate for the specified file.

Syntax

HRESULT GetClassFileOrMime(
  LPBC pBC,
  LPCWSTR szFilename,
  LPVOID pBuffer,
  DWORD cbSize,
  LPCWSTR szMime,
  DWORD dwReserved,
  CLSID * pclsid 
);

Parameters

• pBC
  Optional. Address of a bind context that may affect the mapping to a CLSID. This parameter should usually be NULL, although it may be used to override system CLSID mappings when used in conjunction with RegisterMediaTypeClass.
• szFilename
  Optional. Address of a string variable that contains the file name.
• pBuffer
  Optional. Address of a buffer that contains data from the beginning of the file.
• cbSize
  Unsigned long integer value that contains the size of pBuffer.
• szMime
  Optional. Address of a string variable that contains the Multipurpose Internet Mail Extensions (MIME) type of the file.
• dwReserved
  Reserved. Must be set to zero.
• pclsid
  Address of a CLSID that receives the CLSID of the object to instantiate for the specified file.

Return Values

Returns S_OK if successful, or an error value otherwise.

Requirements

Pocket PC: Pocket PC 2000 and later
Smartphone: Smartphone 2002 and later
OS Versions: Windows CE 3.0 and later
Header: urlmon.h
Library: urlmon.lib

See Also

URL Moniker Services Functions

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