95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
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/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corporation, 1997 - 1997 **/
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/**********************************************************************/
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/*
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xstream.h
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FILE HISTORY:
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*/
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#ifndef _XSTREAM_H
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#define _XSTREAM_H
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struct ColumnData
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{
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ColumnData()
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{
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fmt = LVCFMT_LEFT;
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}
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// This value may be positive or negative. If >0, then this column
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// is visible. If <0 then the column is invisible. In either case
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// the absolute value is the relative position of the column (this
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// position is used only for the "select columns" dialog.
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// If the value is ==0 then it's an error.
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LONG m_nPosition;
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// Width of the column
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DWORD m_dwWidth;
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// Format of the column:
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// LVCFMT_LEFT Text is left-aligned.
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// LVCFMT_RIGHT Text is right-aligned
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int fmt;
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};
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class XferStream
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{
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public:
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enum Mode
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{
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MODE_READ,
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MODE_WRITE,
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MODE_SIZE
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};
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XferStream(IStream *pstm, Mode mode);
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HRESULT XferDWORD(ULONG ulId, DWORD *pdwData);
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HRESULT XferCString(ULONG ulId, CString *pstData);
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HRESULT XferLARGEINTEGER(ULONG ulId, LARGE_INTEGER *pliData);
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HRESULT XferRect(ULONG ulId, RECT *prc);
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HRESULT XferDWORDArray(ULONG ulId, ULONG *pcArray, DWORD *pdwArray);
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HRESULT XferColumnData(ULONG ulId, ULONG *pcData, ColumnData *pdwData);
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HRESULT XferDWORDArray(ULONG ulId, CDWordArray * pdwArray);
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HRESULT XferCStringArray(ULONG ulId, CStringArray * pstrArray);
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DWORD GetSize() { return m_dwSize; };
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private:
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HRESULT _XferCString(CString * pstData);
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HRESULT _XferLONG(LONG *plData);
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HRESULT _XferDWORD(DWORD *pdwData);
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HRESULT _XferBytes(LPBYTE pData, ULONG cbLength);
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HRESULT _XferObjectId(ULONG *pulId);
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DWORD m_dwSize;
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SPIStream m_spstm;
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XferStream::Mode m_mode;
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};
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#define XFER_DWORD 0x0001
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#define XFER_STRING 0x0002
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#define XFER_COLUMNDATA 0x0003
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#define XFER_LARGEINTEGER 0x0004
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#define XFER_RECT 0x0005
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#define XFER_ARRAY 0x8000
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#define XFER_DWORD_ARRAY (XFER_DWORD | XFER_ARRAY)
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#define XFER_COLUMNDATA_ARRAY (XFER_COLUMNDATA | XFER_ARRAY)
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#define XFER_STRING_ARRAY (XFER_STRING | XFER_ARRAY)
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#define XFER_TAG(id,type) (((id) << 16) | (type))
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#define XFER_TYPE_FROM_TAG(x) ( 0x0000FFFF & (x) )
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#define XFER_ID_FROM_TAG(x) ( 0x0000FFFF & ( (x) >> 16 ))
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#endif _XSTREAM_H
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