private void DoInstallation()
{
WizardHost.SetNextEnabled(false);
WizardHost.SetBackEnabled(false);
WizardHost.SetCancelEnabled(false);
IntPtr hWnd = this.Handle;
uint result = NativeMethods.MsiSetInternalUI(
NativeConstants.INSTALLUILEVEL_BASIC | NativeConstants.INSTALLUILEVEL_HIDECANCEL,
ref hWnd);
// value of result is discarded
string ourDir = PdnInfo.GetApplicationDir();
string originalPackagePath = Path.Combine(ourDir, msiName);
string targetDir = WizardHost.GetMsiProperty(PropertyNames.TargetDir, null);
string stagingDir = Path.Combine(targetDir, stagingDirName);
// The 'old' target dir is read from the registry.
// This way if they are reinstalling to a new directory, we will propertly uninstall and cleanup
// from the old directory.
// The 'old' target dir defaults to the 'new' target dir (in case of new installation)
string oldTargetDir = WizardHost.GetMsiProperty(PropertyNames.TargetDir, targetDir, true);
string oldStagingDir = Path.Combine(oldTargetDir, stagingDirName);
// Uninstallers should skip certain parts of cleanup when we're going to turn around
// and install a newer version right away
WizardHost.SetMsiProperty(PropertyNames.SkipCleanup, "0");
// Uninstall anything already in the staging directory (should only be the previous version)
if (Directory.Exists(oldStagingDir))
{
this.infoText.Text = this.uninstallingText;
WizardHost.SetMsiProperty(PropertyNames.SkipCleanup, "1");
foreach (string filePath in Directory.GetFiles(oldStagingDir, "*.msi"))
{
uint result2 = NativeMethods.MsiInstallProduct(
filePath,
"REMOVE=ALL " +
PropertyNames.SkipCleanup + "=1 " +
PropertyNames.DesktopShortcut + "=" + WizardHost.GetMsiProperty(PropertyNames.DesktopShortcut, "1"));
}
}
// Proceed with installation
this.infoText.Text = this.installingText;
Directory.CreateDirectory(stagingDir);
string msiPath = Path.Combine(stagingDir, msiName);
string dstPackagePath = GetOriginalMsiName(msiPath);
// Copy the MSI to the Staging directory before installing. This way it will always
// be available when Windows Installer needs to refer to it.
FileInfo info = new FileInfo(originalPackagePath);
info.CopyTo(dstPackagePath, true);
// Keep an open file handle so that setupngen.exe cannot delete the file.
// This happens if the current installation of Paint.NET
// We need to set the Target Platform property of the MSI before we install it.
// This way if the user types "C:\Program Files\Whatever" on an x64 system, it will
// not get redirected over to "C:\Program Files (x86)\Whatever"
Msi.SetMsiTargetPlatform(dstPackagePath, PaintDotNet.SystemLayer.Processor.NativeArchitecture);
string commandLine1 = WizardHost.GetMsiCommandLine();
string commandLine = commandLine1;
if (commandLine.Length > 0)
{
commandLine += " ";
}
commandLine += PropertyNames.QueueNgen + "=1";
// Install newest package
result = NativeMethods.MsiInstallProduct(dstPackagePath, commandLine);
if (result == NativeConstants.ERROR_SUCCESS ||
result == NativeConstants.ERROR_SUCCESS_REBOOT_INITIATED ||
result == NativeConstants.ERROR_SUCCESS_REBOOT_REQUIRED)
{
ShowBanners();
WizardHost.SaveMsiProperties();
// clean up staging dir
string msiFileName = Path.GetFileName(dstPackagePath);
foreach (string filePath in Directory.GetFiles(stagingDir, "*.msi"))
{
string fileName = Path.GetFileName(filePath);
if (0 != string.Compare(msiFileName, fileName, true, CultureInfo.InvariantCulture))
{
File.Delete(filePath);
}
}
// Run "ngen.exe executeQueuedItems", aka "Optimizing performance for your system..."
if (Application.VisualStyleState == VisualStyleState.ClientAreaEnabled ||
Application.VisualStyleState == VisualStyleState.ClientAndNonClientAreasEnabled)
{
this.progressBar.Style = ProgressBarStyle.Marquee;
this.progressBar.Visible = true;
}
string ngenExe = PdnInfo.GetNgenPath();
const string ngenArg = "executeQueuedItems";
try
{
this.infoText.Text = this.optimizingText;
ProcessStartInfo psi = new ProcessStartInfo(ngenExe, ngenArg);
psi.UseShellExecute = false;
psi.CreateNoWindow = true;
Process process = Process.Start(psi);
while (!process.HasExited)
{
System.Threading.Thread.Sleep(10);
Application.DoEvents();
}
}
catch
{
// If this fails, do not fail the installation
}
// Try to write locale setting to registry
try
{
Settings.SystemWide.SetString("LanguageName", CultureInfo.CurrentUICulture.Name);
}
catch (Exception)
{
// Ignore errors, however
}
SystemSounds.Beep.Play();
WizardHost.SetFinished(true);
this.progressBar.Visible = false;
// set text to indicate success
WizardHost.HeaderText = PdnResources.GetString("SetupWizard.InstallingPage.HeaderText.Success");
string infoFormat;
if (result == NativeConstants.ERROR_SUCCESS)
{
WizardHost.RebootRequired = false;
infoFormat = PdnResources.GetString("SetupWizard.InstallingPage.InfoText.Text.Success.Format");
}
else
{
WizardHost.RebootRequired = true;
infoFormat = PdnResources.GetString("SetupWizard.InstallingPage.InfoText.Text.Success.RebootRequired.Format");
}
this.infoText.Text = string.Format(infoFormat, this.appName);
WizardHost.SetBackEnabled(false);
}
else
{
WizardHost.SetFinished(true);
this.progressBar.Visible = false;
// set text to indicate failure
WizardHost.HeaderText = PdnResources.GetString("SetupWizard.InstallingPage.HeaderText.Failure");
string infoFormat = PdnResources.GetString("SetupWizard.InstallingPage.InfoText.Text.Failure.Format");
string errorString = NativeMethods.FormatMessageW(result);
this.errorLabel.Font = WizardHost.NormalTextFont;
this.errorLabel.Visible = true;
this.errorLabel.Text = errorString;
this.infoText.Text = string.Format(infoFormat, this.appName) + " (" + result.ToString() + ")";
WizardHost.SetBackEnabled(false);
}
}