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The Duplex property enables an ASP Web page to determine if a printer supports duplex printing.
Syntax
HRESULT get_Duplex(
[out] BOOL *pVal
);
Parameters
pVal [out]
Caller-supplied pointer to a location to receive TRUE if the printer supports duplex printing, or FALSE if it does not.
Return value
Win32 error codes can also be returned.
| Return code | Description |
|---|---|
| S_OK | The operation succeeded. |
| E_HANDLE | The Iasphelp::Open method has not been called. |
| E_OUTOFMEMORY | Out of memory. |
VBScript Example
The Iasphelp::Open method must be called before the Iasphelp::Duplex property can be queried.
Dim objPrinter, DoesDuplex
strPrinter = Session("MS_printer")
Set objPrinter = Server.CreateObject ("OlePrn.AspHelp")
objPrinter.Open strPrinter
DoesDuplex = objPrinter.Duplex
Requirements
Target platform: Desktop