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<!doctype HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<html>
<head>
<title>Included Components</title>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<link rel="stylesheet" type="text/css" href="MSDN.css">
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<tr id="hdr">
<td class="runninghead">Managed Libraries for Windows Installer</td>
<td class="product"></td>
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<h1 class="dtH1">Helper Classes for Windows Installer Packages</h1>
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<p>Included are some useful helper classes for working with
MSI and MSP packages:</p>
<ul>
<li><p><a href="ms-its:MMLRef.chm::/Microsoft.WindowsInstaller.InstallPackage.html"
><strong>InstallPackage</strong></a> - extends the Database class to provide powerful
package-based operations such as:</p>
<ul>
<li>direct extraction of files to uncompressed source
path
<li>updating files from uncompressed source path back
into the compressed source for the package (including updating file
metadata)
<li>applying a patch directly to the package
<li>consolidating a package with uncompressed source files or multiple msm-cabs
into a package with a single compressed cabinet</li>
</ul>
<P></P>
<li><p><a href="ms-its:MMLRef.chm::/Microsoft.WindowsInstaller.InstallPathMap.html"
><strong>InstallPathMap</strong>, <a href="ms-its:MMLRef.chm::/Microsoft.WindowsInstaller.InstallPath.html"
><strong>InstallPath</strong></a> - represent the directory structure
of an installation package, including file, component, and directory source and target
install paths. Accessible by file, component, or directory keys; searchable by
filename.</p>
<li><p><a href="ms-its:MMLRef.chm::/Microsoft.WindowsInstaller.PatchPackage.html"
><strong>PatchPackage</strong></a> - allows convenient access to patch properties,
and analysis and extraction of transforms</p></li>
</ul>
<p><br/></p>
<p>These classes are in the Microsoft.WindowsInstaller.Package.dll assembly.</p>
<p><br/></p>
<p><b>See also:</b></p>
<p>The <a href="wifile.htm">WiFile</a> sample tool demonstrates some usage of the
InstallPackage class.</p>
<p><br/></p>
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