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Unicode C++ Examples

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(Unicode C++) Create Zip in a BinData Object

Recursively appends files in a directory tree and writes a zip archive into a Chilkat BinData object.

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MS Visual C/C++

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#include <CkZipW.h>
#include <CkBinDataW.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZipW zip;

    // Initialize the zip object.  Because we will never actually write a zip file to the filesystem,
    // the filepath passed to NewZip does not matter.
    bool success = zip.NewZip(L"x.zip");
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    // Append a directory tree.  The call to AppendFiles does
    // not read the file contents or append them to the zip
    // object in memory.  It simply appends references
    // to the files so that when WriteBd, WriteZip, or WriteZipAndClose 
    // is called, the referenced files are streamed and compressed
    // into the .zip output file (or BinData object).

    bool recurse = true;
    success = zip.AppendFiles(L"c:/temp/a/*",recurse);
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    // Write the zip archive into the bdZip object.
    CkBinDataW bdZip;
    success = zip.WriteBd(bdZip);
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    // We could directly access the bytes of the zip archive, or perhaps
    // get the zip bytes in base64 format.
    const wchar_t *zipAsBase64 = bdZip.getEncoded(L"base64");
    wprintf(L"%s\n",zipAsBase64);

    // Or the zip can be used by some other Chilkat method call that accepts
    // a BinData object as an argument.
    }

 

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