![]() |
Chilkat HOME Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi DLL Go Java Node.js Objective-C PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Xojo Plugin) Compress Text Feed to BinaryThis example receives incoming text data in chunks, compresses as a stream, and accumulates the compressed binary data. Note: This example requires Chilkat v11.0.0 or greater.
Dim success As Boolean success = False // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Dim bdCompressed As New Chilkat.BinData Dim compress As New Chilkat.Compression compress.Algorithm = "deflate" compress.Charset = "utf-8" Dim sbUncompressedChunk As New Chilkat.StringBuilder compress.FirstChunk = True compress.LastChunk = False Dim i As Int32 For i = 0 To 24 If (i = 24) Then compress.LastChunk = True End If sbUncompressedChunk.Clear success = sbUncompressedChunk.AppendInt(i) success = sbUncompressedChunk.Append(": This is a line of data to be compressed..." + EndOfLine.Windows) success = compress.CompressSb(sbUncompressedChunk,bdCompressed) compress.FirstChunk = False Next // Show the compressed data in hex format: System.DebugLog("The hex encoded compressed text:") System.DebugLog(bdCompressed.GetEncoded("hex")) // Now decompress in one call. It is important to set both FirstChunk and LastChunk = True Dim bdDecompressed As New Chilkat.BinData compress.FirstChunk = True compress.LastChunk = True success = compress.DecompressBd2(bdCompressed,bdDecompressed) If (success = False) Then System.DebugLog(compress.LastErrorText) Return End If Dim originalText As String originalText = bdDecompressed.GetString("utf-8") System.DebugLog(originalText) |
© 2000-2025 Chilkat Software, Inc. All Rights Reserved.