IWMPContentPartnerCallback::ShowPopup method (contentpartner.h)

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4/26/2023

[The feature associated with this page, Windows Media Player SDK, is a legacy feature. It has been superseded by MediaPlayer. MediaPlayer has been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer instead of Windows Media Player SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

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 ShowPopup method instructs Windows Media Player to display an HTML-based dialog box that hosts a webpage provided by the online store.

Syntax

HRESULT ShowPopup(
  [in] long lIndex,
  [in] BSTR bstrParameters
);

Parameters

[in] lIndex

Index, meaningful only to the online store, of the webpage to display in the dialog box.

[in] bstrParameters

Parameters associated with the dialog box.

Return value

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

Windows Media Player calls IWMPContentPartner::GetItemInfo, passing the value of lIndex in the pContext parameter, to retrieve a URL. Windows Media Player then appends the value of bstrParameters to the URL, and uses the URL, along with the appended parameters, to retrieve the webpage to display in the dialog box.

You can use the bstrParameters parameter to specify the size of the pop-up window. For example, if you set bstrParameters to "DlgX=800&DlgY=400", the pop-up window will have a size of 800 pixels by 400 pixels.

Requirements

Requirement	Value
Minimum supported client	Windows Media Player 11
Target Platform	Windows
Header	contentpartner.h

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