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    void OnDataChange(FORMATETC pFormatetc, STGMEDIUM pStgmed);

.

FORMATETC, STGMEDIUM

.

            [In] ref STGMEDIUM pStgmed);

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        public STGMEDIUM stgmedData;

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    public struct STGMEDIUM

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        public void  OnDataAvailable( uint grfBSCF , uint dwSize ,ref FORMATETC pformatetc ,ref STGMEDIUM pstgmed )

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    void GetData([In] ref FORMATETC format, out STGMEDIUM medium);

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    void GetDataHere([In] ref FORMATETC format, ref STGMEDIUM medium);

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    void SetData([In] ref FORMATETC formatIn, [In] ref STGMEDIUM medium, [MarshalAs(UnmanagedType.Bool)] bool release);

.

        public const int DV_E_STGMEDIUM = (int)(0x80040066 - 0x100000000);

.

    //     handle with the GMEM_SHARE flag. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    //     The storage medium is a disk file identified by a path. If the STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    //     ISequentialStream::Read to read the data. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    //     If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    //     If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    //     to access the metafile's data. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    //     The storage medium is an enhanced metafile. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     handle with the GMEM_SHARE flag. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     The storage medium is a disk file identified by a path. If the STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     ISequentialStream::Read to read the data. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     to access the metafile's data. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

    '     The storage medium is an enhanced metafile. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

.

public struct STGMEDIUM

.

public class STGMEDIUM

.

Documentation

[STGMEDIUM] on MSDN

.

    public const int DV_E_STGMEDIUM = unchecked((int)0x80040066);

.

    Public Const DV_E_STGMEDIUM As Integer = CInt(&H80040066UI)

.

                    STGMEDIUM medium = new STGMEDIUM();