• 修改Dsoframer源码支持D7



    1.修改OnDraw函数中的FDrawText或DrawText;
    2 为过程FRunningInDesignMode()中的1个变体变量分配内存空间

    VARIANT vtUserMode;
    //添加下面这句:
    memset(&vtUserMode,0,sizeof(VARIANT));
    在VC++中重新编译,注册dsoframer.ocx.

    3.获取word文档数据流及其与D7变体的数据交换
    ovOption:=EmptyParam;
    ovFormat:='Rich Text Format';
    FramerControl1.ExecOleCommand($7001, ovOption, ovFormat, ovWBinary);
    //OLECMDID_GETDATAFORMAT=$7001; 执行OLE命令获取数据流
    if VarType(ovWBinary)<>varEmpty then begin
    pBuf := VarArrayLock(ovWBinary);
    Stream.Size := VarArrayHighBound(ovWBinary, 1)-VarArrayLowBoundovWBinary, 1) + 1;
    Stream.Position := 0;
    Stream.Write(pBuf^, FS.Size);
    VarArrayUnlock(ovWBinary);
    WriteWordBinaryToDataBase(Stream);//保存流数据到数据库

    向WORD文档中写入流数据关键代码:
    GetWordBinaryFromDataBase(Stream);//从数据库读出试题数据流
    ovWBinary:=VarArrayCreate([0,msStream.Size-1],varByte);
    pBuf := VarArrayLock(ovWBinary);
    Stream.Position:=0;
    Stream.Read(pBuf^, Stream.Size);
    VarArrayUnlock(ovWBinary);
    FramerControl1.ExecOleCommand($7002, ovOption, ovFormat, ovWordBinary);
    //OLECMDID_SETDATAFORMAT=$7002; 执行OLE命令向Word文档写入试题数据流,呈递试题内容
    数据流写入Windows剪贴板
    var
    pBuf, bufptr: Pointer; hbuf : THandle; nRfetc,nSize:integer;
    begin
    nRfetc:=RegisterClipboardFormat('Rich Text Format');
    GetWordBinaryFromDataBase(Stream); //从数据库读出试题数据流
    hbuf := GlobalAlloc(GMEM_MOVEABLE, Stream.size);
    if hbuf=0 then begin OutOfMemoryError; exit;end;
    bufptr := GlobalLock(hbuf);
    try
    Stream.Read(bufptr^, Stream.size);//将试题流写入到全局内存
    Clipboard.SetAsHandle(nRfetc, hbuf);//将全局内存流放置Windows剪贴板
    PasteContentOnWordPaper;//从剪贴板中试题数据粘贴到Word试卷
    finally
    GlobalUnlock(hbuf);
    end;
    GlobalFree(hbuf); Stream.Free;
    end;

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  • 原文地址:https://www.cnblogs.com/mikemao/p/3092791.html
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