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Compress Bytes

See more Compression Examples

Demonstrates how to compress binary data.

Chilkat PowerShell Downloads

PowerShell
Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

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

$fac = New-Object Chilkat.FileAccess

$fileBytes = $fac.ReadEntireFile("qa_data/bmp/big.bmp")
if ($fac.LastMethodSuccess -ne $true) {
    $($fac.LastErrorText)
    exit
}

$compress = New-Object Chilkat.Compression
$compress.Algorithm = "deflate"

$compressedBytes = $compress.CompressBytes($fileBytes)
if ($compress.LastMethodSuccess -ne $true) {
    $($compress.LastErrorText)
    exit
}

$success = $fac.WriteEntireFile("qa_output/compressedBmp.dat",$compressedBytes)
if ($fac.LastMethodSuccess -ne $true) {
    $($fac.LastErrorText)
    exit
}