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The IPersistQuery::ReadString method reads a string from the query store.
Syntax
HRESULT ReadString(
  [in]  LPCWSTR pSection,
  [in]  LPCWSTR pValueName,
  [out] LPWSTR  pBuffer,
  [in]  INT     cchBuffer
);
Parameters
[in] pSection
Pointer to a null-terminated Unicode string that represents the section name that the string should be read from.
[in] pValueName
Pointer to a null-terminated Unicode string that represents the name of the string value to be read.
[out] pBuffer
Pointer to a character buffer that receives the string value. The cchBuffer parameter specifies the size of this buffer including the null terminator.
[in] cchBuffer
Contains the size, in characters, of the pBuffer buffer including the null terminator.
Return value
Returns S_OK if successful or a standard HRESULT value otherwise. Possible error codes include the following.
Requirements
| Requirement | Value | 
|---|---|
| Minimum supported client | Windows Vista | 
| Minimum supported server | Windows Server 2008 | 
| Target Platform | Windows | 
| Header | cmnquery.h | 
| Library | Uuid.lib | 
| DLL | Dsquery.dll |