ITabletContext 接口

存储平板电脑上下文信息。

成员

ITabletContext 接口继承自 IUnknown 接口，但没有其他成员。

备注

以下代码定义 ITabletContext 接口。

[
    object,
    uuid(45AAAF04-9D6F-41AE-8ED1-ECD6D4B2F17F),
    pointer_default(unique)
]
interface ITabletContext : IUnknown
{
    HRESULT GetId(
        [out] TABLET_CONTEXT_ID *pTcid);

    HRESULT GetWindow(
        [out] HWND *pHwnd);

    HRESULT GetSettings(
        [out] TABLET_CONTEXT_SETTINGS **ppTCS);

    HRESULT GetTablet(
        [out] ITablet **ppTablet);

    HRESULT Enable(
        [in] CONTEXT_ENABLE_TYPE cet);

    HRESULT GetOptions(
        [out] DWORD *pdwOptions);

    HRESULT GetPacketDescription(
        [out] PACKET_DESCRIPTION **ppPD);

    HRESULT GetStatus(
        [out] DWORD *pdwStatus);

    HRESULT GetInputRect(
        [out] RECT *prcInput);

    HRESULT SetInputRect(
        [in, unique] RECT *prcInput);

    HRESULT SetDevInputRect(
        [in, unique] RECT *prcInput);

    HRESULT GetDevInputRect(
        [out] RECT *prcInput);

    HRESULT SetCapture(void);

    HRESULT ReleaseCapture(void);

    HRESULT SetCursorCapture(
        [in] CURSOR_ID cid);

    HRESULT ReleaseCursorCapture(
        [in] CURSOR_ID cid);

    HRESULT GetPackets(
        [in] ULONG nBegin,
        [in] ULONG nEnd,
        [in, out] ULONG *pcPkts,
        [in] ULONG cbPkts,
        [out, size_is(cbPkts)] BYTE *pbPkts, 
        [out] CURSOR_ID *pCid
    );

    HRESULT PeekPackets(
        [in] ULONG nBegin,
        [in] ULONG nEnd,
        [in, out] ULONG *pcPkts,
        [in] ULONG cbPkts,
        [out, size_is(cbPkts)] BYTE *pbPkts,
        [out] CURSOR_ID * pCid
    );

    HRESULT FlushPackets(
        [in] ULONG nBegin,
        [in] ULONG nEnd
    );

    HRESULT FlushQueue(void);

    HRESULT GetPacketCount(
        [in]  ULONG nBegin,
        [in]  ULONG nEnd,
        [out] ULONG *pcPkts
    );

    HRESULT GetPacketQueueInfo(
        [out] ULONG *pnBegin,
        [out] ULONG *pnEnd,
        [out] ULONG *pcPkts
    );


    HRESULT ForwardPackets(
        [in] ULONG nBegin,
        [in] ULONG nEnd
    );

    HRESULT InjectPackets(
        [in] ULONG cPkts,
        [in] ULONG cbPkts,
        [in, size_is(cbPkts)] BYTE *pbPkts,
        [in, size_is(cPkts)] CURSOR_ID *pCids
    );

    HRESULT ModifyPackets(
        [in] ULONG nBegin,
        [in] ULONG nEnd,
        [in] ULONG cbPkts,
        [in, size_is(cbPkts)] BYTE *pbPkts
    );

    HRESULT ConvertToScreenCoordinates(
        [in] ULONG cPkts,
        [in] ULONG cbPkts,
        [in, size_is(cbPkts)] BYTE *pbPkts,
        [out, size_is(cPkts)] POINT *pPointsInScreen
   );
};  

要求

要求	值
最低受支持的客户端	Windows XP Tablet PC Edition [仅限桌面应用]
最低受支持的服务器	无受支持的版本
库	Wisptis.exe