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Get Size of Download using HTTP HEADGet the size of a download using an HTTP HEAD request. Downloads: MS Windows Visual C/C++ Libraries Linux/CentOS C/C++ Libraries MAC OS X C/C++ Libraries Solaris C/C++ Libraries C++ Builder Libraries FreeBSD C++ Libraries HP-UX C++ Libraries BlackBerry QNX C++ Libraries // Needs #include <CkHttp.h> // Needs #include <CkHttpResponse.h> CkString strOut; CkHttp http; bool success; // Any string unlocks the component for the 1st 30-days. success = http.UnlockComponent("Anything for 30-day trial."); if (success != true) { strOut.append(http.lastErrorText()); strOut.append("\r\n"); SetDlgItemText(IDC_EDIT1,strOut.getUnicode()); return; } CkHttpResponse *resp = 0; resp = http.GetHead("http://www.chilkatsoft.com/download/ChilkatDotNet2.msi"); if (resp == 0 ) { strOut.append(http.lastErrorText()); strOut.append("\r\n"); } else { const char * sizeStr; sizeStr = resp->getHeaderField("Content-Length"); if (sizeStr == 0 ) { strOut.append("No content-length header field\r\n"); } else { // Show the size of the file. // You may convert the size string to an integer... strOut.append(sizeStr); strOut.append("\r\n"); } } SetDlgItemText(IDC_EDIT1,strOut.getUnicode()); |
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