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Retrieves the highest (latest) version of the Print Schema that the specified printer supports.
Syntax
HRESULT PTQuerySchemaVersionSupport(
[in] PCWSTR pszPrinterName,
[out] DWORD *pMaxVersion
);
Parameters
[in] pszPrinterName
A pointer to the full name of a print queue.
[out] pMaxVersion
A pointer to the highest version.
Return value
If the operation succeeds, the return value is S_OK, otherwise the HRESULT contains an error code.
For more information about COM error codes, see Error Handling.
Remarks
Note This is a blocking or synchronous function and might not return immediately. How quickly this function returns depends on run-time factors such as network status, print server configuration, and printer driver implementation—factors that are difficult to predict when writing an application. Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
The first version of the Print Schema was released with Windows Vista and is version 1.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | prntvpt.h |
| Library | Prntvpt.lib |
| DLL | Prntvpt.dll |