SCardGetProviderId

  • 项目

This function returns the globally unique identifier (GUID) of the primary service provider for a specified card.

The caller supplies the name of a smart card, previously introduced to the system, and receives the registered identifier of the primary service provider GUID, if one exists.

LONG SCardGetProviderId(
  SCARDCONTEXT hContext, 
  LPCTSTR szCard, 
  LPGUID pguidProviderId 
);

Parameters

  • hContext
    [in] Handle that identifies the resource manager context for the query. The resource manager context can be set by a previous call to SCardEstablishContext or set to NULL if the query is not directed toward a specific context.
  • szCard
    [in] Null-terminated string that contains the name of the card defined to the system.
  • pguidProviderId
    [out] Pointer to a globally unique identifier (GUID) of the primary service provider. This provider can be activated by means of COM and supplies access to other services in the card.

Return Values

The following table shows the possible return values.

Value Description
SCARD_S_SUCCESS Succeeds
An error value (see Smart Card Error Values for a list of all error values). Fails

Remarks

SCardGetProviderId is a database query function.

Requirements

OS Versions: Windows CE 3.0 and later.
Header: Winscard.h.
Link Library: Winscard.lib.

See Also

SCardEstablishContext | SCardListCards | SCardListInterfaces | SCardListReaders

 Last updated on Saturday, April 10, 2004

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