// Replaces ZipPackage.LoadParts, which is naive and very, very slow, and used every time a package is opened.
private static bool New_System_IO_Packaging_ZipPackage_LoadParts(System.IO.Packaging.ZipPackage __instance, ref Dictionary <Uri, ZipPackagePart> ___parts)
{
___parts = new Dictionary <Uri, ZipPackagePart>();
var packageStream = __instance.GetFieldOrPropertyValue <Stream>("PackageStream");
using (var zipArchive = new ZipArchive(packageStream, ZipArchiveMode.Read, true))
{
foreach (var zipArchiveEntry in zipArchive.Entries)
{
// We don't care what Packaging thinks the content type is
System_IO_Packaging_ZipPackage_CreatePartCore(__instance,
new Uri("/" + zipArchiveEntry.FullName, UriKind.Relative), "application/octet",
CompressionOption.Maximum);
}
}
return(false);
}
