/// <summary>
/// Installs or uninstalls a product.
/// </summary>
/// <param name="productCode">Product code of the product to be configured.</param>
/// <param name="installLevel">Specifies the default installation configuration of the
/// product. The <paramref name="installLevel"/> parameter is ignored and all features
/// are installed if the <paramref name="installState"/> parameter is set to any other
/// value than <see cref="InstallState.Default"/>. This parameter must be either 0
/// (install using authored feature levels), 65535 (install all features), or a value
/// between 0 and 65535 to install a subset of available features. </param>
/// <param name="installState">Specifies the installation state for the product.</param>
/// <param name="commandLine">Specifies the command line property settings. This should
/// be a list of the format Property=Setting Property=Setting.</param>
/// <exception cref="InstallerException">There was an error configuring the product</exception>
/// <remarks><p>
/// This method displays the user interface with the current settings and
/// log mode. You can change user interface settings with the <see cref="SetInternalUI(InstallUIOptions)"/>
/// and <see cref="SetExternalUI(ExternalUIHandler,InstallLogModes)"/> functions. You can set the log mode with the
/// <see cref="EnableLog(InstallLogModes,string)"/> function.
/// </p><p>
/// The <see cref="RebootRequired"/> and <see cref="RebootInitiated"/> properties should be
/// tested after calling this method.
/// </p><p>
/// Win32 MSI APIs:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msiconfigureproduct.asp">MsiConfigureProduct</a>,
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msiconfigureproductex.asp">MsiConfigureProductEx</a>
/// </p></remarks>
public static void ConfigureProduct(string productCode, int installLevel, InstallState installState, string commandLine)
{
uint ret = NativeMethods.MsiConfigureProductEx(productCode, installLevel, (int)installState, commandLine);
Installer.CheckInstallResult(ret);
}
