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GetBinaryDataAsStream |
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GetBinaryDataAsStream |
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GetBinaryDataAsStream
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GetBinaryDataAsStream |
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GetBinaryDataAsStream |
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Revision history:
Introduced in QPR 8.1
Returns binary data as a stream from an object defined in the function call. This function can be used to fetch graphs and embedded data from objects.
Synopsis:
Stream GetBinaryDataAsStream(string sessionId, string objectId, string attribute, string options)
Return Value:
A Stream object.
Parameters:
sessionId: String. ID of an authenticated session.
objectId: String. ID of an object from which binary data is fetched.
attribute: String. Supported binary data attributes:
| • | PG |
| o | graph. Querying this attribute equals to calling GetGraph with the attribute's parameters as the value of the Options parameter. See GetGraph for a list of supported parameters. |
| o | embeddeddata. Returns the data embedded in an information item. Note: To check whether an information item is embedded, query the infoitem.embedtype attribute. |
| • | SC |
| o | graph. Querying this attribute equals to calling GetGraph with the attribute's parameters as the value of the Options parameter. See GetGraph for a list of supported parameters. |
| • | Portal |
| o | embeddeddata. Returns the data embedded in an embedded attachment. Note that you can use for instance [PO].EmbeddedAttachment to get a list of all embedded attachments in the database. |
options: String. List of comma-separated parameters. Language parameters are available similarly as in the QueryObjects function.
Example Procedure:
NOTE: The example below requires Integrated Windows Authentication to be used. Otherwise authentication needs to be done e.g. via JavaScript.
<html>
<head>
<title>Binary Attachment</title>
</head>
<body>
<p>Embedded attachment from QPR Web Services Foundation</p>
<a href="http://localhost/QPR81WebServices/MainService.svc/webHttp/GetBinaryDataAsStream?objectId=%22PO.0.686650742%22&attribute=%22embeddeddata%22">View attachment</a>
</body>
</html>