GetSupportedVersions
Important
We recommend that you use Microsoft's IPP inbox class driver, along with Print Support Apps (PSA), to customize the print experience in Windows 10 and 11 for printer device development.
For more information, see the Print support app design guide.
The IPrintTicketProvider::GetSupportedVersions method returns the major version numbers of the Print Schemas that print driver supports. For now, version 1 is the only version that exists so this method must return only one supported version.
The implementation shown in the following sample code will work for the initial version of Windows Vista and until a new version is added. When a new version is supported, this value will change.
STDMETHODIMP
CPrintTicketProvider::
GetSupportedVersions(THIS_ HANDLE hPrinter,
INT *ppVersions[],
INT *pcVersions)
{
if ( (*ppVersions = (INT*)CoTaskMemAlloc(sizeof(INT))) != NULL)
{
(*ppVersions)[0] = 1; // Version 1
*pcVersions = 1; // 1 supported version
return S_OK;
}
else
return E_OUTOFMEMORY;
}
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