Sample Code
Windows Driver Samples/ OEM Printer Customization Plug-in Samples/ C++/ watermark/ wmarkps/ intrface.h/
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF // ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A // PARTICULAR PURPOSE. // // Copyright 1997 - 2003 Microsoft Corporation. All Rights Reserved. // // FILE: Intrface.H // // // PURPOSE: Define COM interface for User Mode Printer Customization DLL. // #pragma once //////////////////////////////////////////////////////////////////////////////// // // IWaterMarkPS // // Interface for PostScript OEM sample rendering module // class IWaterMarkPS : public IPrintOemPS { public: // *** IUnknown methods *** STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj); STDMETHOD_(ULONG,AddRef) (THIS); // the _At_ tag here tells prefast that once release // is called, the memory should not be considered leaked _At_(this, __drv_freesMem(object)) STDMETHOD_(ULONG,Release) (THIS); // // Method for publishing Driver interface. // STDMETHOD(PublishDriverInterface)(THIS_ IUnknown *pIUnknown); // // Method for OEM to specify DDI hook out // STDMETHOD(EnableDriver) (THIS_ DWORD DriverVersion, DWORD cbSize, PDRVENABLEDATA pded); // // Method to notify OEM plugin that it is no longer required // STDMETHOD(DisableDriver) (THIS); // // Method for OEM to contruct its own PDEV // STDMETHOD(EnablePDEV) (THIS_ PDEVOBJ pdevobj, _In_ PWSTR pPrinterName, ULONG cPatterns, HSURF *phsurfPatterns, ULONG cjGdiInfo, GDIINFO *pGdiInfo, ULONG cjDevInfo, DEVINFO *pDevInfo, DRVENABLEDATA *pded, OUT PDEVOEM *pDevOem); // // Method for OEM to free any resource associated with its PDEV // STDMETHOD(DisablePDEV) (THIS_ PDEVOBJ pdevobj); // // Method for OEM to transfer from old PDEV to new PDEV // STDMETHOD(ResetPDEV) (THIS_ PDEVOBJ pdevobjOld, PDEVOBJ pdevobjNew); // // Get OEM dll related information // STDMETHOD(GetInfo) (THIS_ DWORD dwMode, PVOID pBuffer, DWORD cbSize, PDWORD pcbNeeded); // // OEMDevMode // STDMETHOD(DevMode) (THIS_ DWORD dwMode, POEMDMPARAM pOemDMParam); // // OEMCommand - PSCRIPT only, return E_NOTIMPL on Unidrv // STDMETHOD(Command) (THIS_ PDEVOBJ pdevobj, DWORD dwIndex, PVOID pData, DWORD cbSize, OUT DWORD *pdwResult); // IWaterMarkPS() { m_cRef = 1; m_pOEMHelp = NULL; }; ~IWaterMarkPS(); protected: LONG m_cRef; IPrintOemDriverPS* m_pOEMHelp; };
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