private static UninstallerType GetUninstallerType(RegistryKey uninstallerKey)
{
// Detect MSI installer based on registry entry (the proper way)
if ((int)uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameWindowsInstaller, 0) != 0)
{
return(UninstallerType.Msiexec);
}
// Detect InnoSetup
if (uninstallerKey.GetValueNames().Any(x => x.Contains("Inno Setup:")))
{
return(UninstallerType.InnoSetup);
}
// Detect Steam
if (uninstallerKey.GetKeyName().StartsWith("Steam App ", StringComparison.Ordinal))
{
return(UninstallerType.Steam);
}
var uninstallString =
uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameUninstallString) as string;
return(string.IsNullOrEmpty(uninstallString)
? UninstallerType.Unknown
: UninstallerTypeAdder.GetUninstallerType(uninstallString));
}
private static Guid GetGuid(RegistryKey uninstallerKey)
{
// Look for a GUID registry entry
var tempGuidString = uninstallerKey.GetStringSafe(RegistryNameBundleProviderKey);
if (GuidTools.GuidTryParse(tempGuidString, out var resultGuid))
{
return(resultGuid);
}
if (GuidTools.TryExtractGuid(uninstallerKey.GetKeyName(), out resultGuid))
{
return(resultGuid);
}
string uninstallString = GetUninstallString(uninstallerKey);
// Look for a valid GUID in the path
return(GuidTools.TryExtractGuid(uninstallString, out resultGuid) ? resultGuid : Guid.Empty);
}
private static ApplicationUninstallerEntry GetBasicInformation(RegistryKey uninstallerKey)
{
return(new ApplicationUninstallerEntry
{
RegistryPath = uninstallerKey.Name,
RegistryKeyName = uninstallerKey.GetKeyName(),
Comment = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameComment) as string,
RawDisplayName = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameDisplayName) as string,
DisplayVersion = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameDisplayVersion) as string,
ParentKeyName = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameParentKeyName) as string,
Publisher = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNamePublisher) as string,
UninstallString = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameUninstallString) as string,
QuietUninstallString = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameQuietUninstallString) as string,
ModifyPath = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameModifyPath) as string,
InstallLocation = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameInstallLocation) as string,
InstallSource = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameInstallSource) as string,
SystemComponent = (int)uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameSystemComponent, 0) != 0,
DisplayIcon = uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameDisplayIcon) as string
});
}
private static ApplicationUninstallerEntry GetBasicInformation(RegistryKey uninstallerKey)
{
return(new ApplicationUninstallerEntry
{
RegistryPath = uninstallerKey.Name,
RegistryKeyName = uninstallerKey.GetKeyName(),
Comment = uninstallerKey.GetStringSafe(RegistryNameComment),
RawDisplayName = uninstallerKey.GetStringSafe(RegistryNameDisplayName),
DisplayVersion = ApplicationEntryTools.CleanupDisplayVersion(uninstallerKey.GetStringSafe(RegistryNameDisplayVersion)),
ParentKeyName = uninstallerKey.GetStringSafe(RegistryNameParentKeyName),
Publisher = uninstallerKey.GetStringSafe(RegistryNamePublisher),
UninstallString = GetUninstallString(uninstallerKey),
QuietUninstallString = GetQuietUninstallString(uninstallerKey),
ModifyPath = uninstallerKey.GetStringSafe(RegistryNameModifyPath),
InstallLocation = uninstallerKey.GetStringSafe(RegistryNameInstallLocation),
InstallSource = uninstallerKey.GetStringSafe(RegistryNameInstallSource),
SystemComponent = (int)uninstallerKey.GetValue(RegistryNameSystemComponent, 0) != 0,
DisplayIcon = uninstallerKey.GetStringSafe(RegistryNameDisplayIcon)
});
}
private static Guid GetGuid(RegistryKey uninstallerKey)
{
// Look for a GUID registry entry
var tempGuidString =
uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameBundleProviderKey) as string;
Guid resultGuid;
if (GuidTools.GuidTryParse(tempGuidString, out resultGuid))
{
return(resultGuid);
}
if (GuidTools.TryExtractGuid(uninstallerKey.GetKeyName(), out resultGuid))
{
return(resultGuid);
}
var uninstallString =
uninstallerKey.GetValue(ApplicationUninstallerEntry.RegistryNameUninstallString) as string;
// Look for a valid GUID in the path
return(GuidTools.TryExtractGuid(uninstallString, out resultGuid) ? resultGuid : Guid.Empty);
}
