WsReadChars function (webservices.h)

Article
02/22/2024

Reads a specified number of text characters from the Reader.

Syntax

HRESULT WsReadChars(
  [in]           WS_XML_READER *reader,
                 WCHAR         *chars,
  [in]           ULONG         maxCharCount,
  [out]          ULONG         *actualCharCount,
  [in, optional] WS_ERROR      *error
);

Parameters

[in] reader

A pointer to the XML Reader from which the character data should be read. The pointer must reference a valid WS_XML_READER object.

chars

A pointer to a location for the characters that have been read.

[in] maxCharCount

The maximum number of characters that should be read.

[out] actualCharCount

A pointer to a ULONG value of the actual number of characters that were read. This may be less than maxCharCount even when there are more characters remaining. There are no more characters when this returns zero.

[in, optional] error

A pointer to a WS_ERROR object where additional information about the error should be stored if the function fails.

Return value

This function can return one of these values.

Return code	Description
WS_E_INVALID_FORMAT	The input data was not in the expected format or did not have the expected value.
WS_E_QUOTA_EXCEEDED	A quota was exceeded.

Remarks

Text is read up to either a start element or end element. Comments are skipped, and CDATA content is treated identically to element content. Character entities are converted to their unescaped form.

This function can fail for any of the reasons listed in WsReadNode.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2008 R2 [desktop apps \| UWP apps]
Target Platform	Windows
Header	webservices.h
Library	WebServices.lib
DLL	WebServices.dll

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