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Zip with Unicode Filenames
The NTFS filesystem supports Unicode and filenames can contain characters in any language. However, the Zip file standard is only capable of supporting a single language at a time (i.e. a single OEM code page). If your computer's default OEM code page is different than the language of the filename, then you would need to set the Zip.OemCodePage property to the correct value prior to appending files.
Here is a list of OEM code pages: // This example creates a .zip with filenames containing // Chinese characters. Using Chilkat Zip, the .zip can // be created and unzipped on any locale computer. However, // to unzip using a program such as WinZip, it must run // on a computer with the correct locale. Chilkat.Zip zip = new Chilkat.Zip(); bool success; // Any string unlocks the component for the 1st 30-days. success = zip.UnlockComponent("Anything for 30-day trial"); if (success != true) { MessageBox.Show(zip.LastErrorText); return; } zip.NewZip("chinese.zip"); // Set the OEM code page to Chinese Big5 zip.OemCodePage = 950; // Add references to all files under a "chinese" subdirectory. // This directory will contain filenames having Chinese characters. zip.AppendFiles("chinese",true); success = zip.WriteZipAndClose(); if (success != true) { MessageBox.Show(zip.LastErrorText); return; } // Create a new instance of a zip object. Load the .zip // we previously created and unzip to another directory. Chilkat.Zip zip2 = new Chilkat.Zip(); // Don't forget to set the OEM code page... zip2.OemCodePage = 950; success = zip2.OpenZip("chinese.zip"); if (success != true) { MessageBox.Show(zip2.LastErrorText); return; } // This will unzip correctly on any locale computer. success = zip2.Unzip("outDir"); if (success != true) { MessageBox.Show(zip2.LastErrorText); } else { MessageBox.Show("unzipped!"); } |
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