(MFC) Unzip a .zip Archive

Demonstrates how to open a .zip archive and unzip. The Unzip method extracts the files and directories from a .zip archive and recreates the directory tree rooted at the directory path passed to Unzip.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkZip.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZip zip;

    bool success = zip.OpenZip("my_files.zip");
    if (success != true) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    int unzipCount;

    // Returns the number of files and directories unzipped.
    // Unzips to /my_files, re-creating the directory tree
    // from the .zip.
    unzipCount = zip.Unzip("/my_files");
    if (unzipCount < 0) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
    }
    else {
        strOut.append("Success!");
        strOut.append("\r\n");
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }