Windows Media Player 11 SDK IWMPContentPartner::Buy 

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IWMPContentPartner::Buy

Note This section describes functionality designed for use by online stores. Use of this functionality outside the context of an online store is not supported.

The Buy method initiates the purchase of digital media content.

Syntax

  HRESULT Buy(
  IWMPContentContainerList*  pInfo,
  DWORD  cookie
);

Parameters

pInfo

[in]  Pointer to a content container list that represents the content to be purchased.

cookie

[in]  A cookie used to identify the transaction. You must store this value and pass it to IWMPContentPartnerCallback::BuyComplete when the purchase transaction is finished.

Return Values

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK The method succeeded.

Remarks

You must call IWMPContentPartnerCallback::BuyComplete exactly once for each call to Buy. Call BuyComplete when the transaction is finished, even if it failed for some reason.

If the user has an expired license for content previously purchased, you can simply update the license.

Requirements

Version: Windows Media Player 11

Header: contentpartner.h

See Also

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