I just fired up my old project and it looks like it is working (of course I'm
not sure if this is the best way way of doing it). Here's a snippet of how I
did it:
Installer.SetInternalUI(InstallUIOptions.Silent);
session =
Installer.OpenPackage(Path.Combine(Environment.CurrentDirectory, "Hyland
Installer Test.msi"), false);
externalHandler = new ExternalUIHandler(processMessage);
Installer.SetExternalUI(externalHandler,
InstallLogModes.ActionData | InstallLogModes.ActionStart |
InstallLogModes.CommonData
| InstallLogModes.Error | InstallLogModes.ExtraDebug |
InstallLogModes.FatalExit | InstallLogModes.FilesInUse
| InstallLogModes.Info | InstallLogModes.Initialize |
InstallLogModes.LogOnlyOnError | InstallLogModes.OutOfDiskSpace
| InstallLogModes.Progress | InstallLogModes.Terminate |
InstallLogModes.User | InstallLogModes.Verbose | InstallLogModes.Warning
| InstallLogModes.ShowDialog |
InstallLogModes.RMFilesInUse);
session.DoAction("AppSearch");
session.DoAction("CostInitialize");
session.DoAction("FileCost");
session.DoAction("CostFinalize");
session.DoAction("InstallValidate");
foreach (FeatureInfo fi in session.Features)
{
long cost = fi.GetCost(false, true, InstallState.Local);
lbFeatures.Items.Add(string.Format(@"{0} (Cost: {1})",
fi.Title, cost));
}
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