/// <summary>
/// Initializes DISM API, using the specified DISM Generation. Initialize must be called once per process before calling any other DISM API functions.
/// </summary>
/// <param name="logLevel">Indicates the level of logging.</param>
/// <param name="logFilePath">A relative or absolute path to a log file. All messages generated will be logged to this path. If NULL, the default log path, %windir%\Logs\DISM\dism.log, will be used.</param>
/// <param name="scratchDirectory">A relative or absolute path to a scratch directory. DISM API will use this directory for internal operations. If null, the default temp directory, \Windows\%Temp%, will be used.</param>
/// <param name="dismGeneration">The DISM Generational Library to be used.</param>
/// /// <exception cref="Exception">If an error occurs loading the latest DISM Generational Library.</exception>
/// <exception cref="DismException">When a failure occurs.</exception>
public static void InitializeEx(DismLogLevel logLevel, string logFilePath, string scratchDirectory, DismGeneration dismGeneration)
{
if (CurrentDismGeneration != DismGeneration.NotFound)
{
throw new Exception($"A DISM Generation library is already loaded ({dismGeneration}). Please call Shutdown() first to release the existing library.");
}
if (dismGeneration != DismGeneration.NotFound && !DismUtilities.LoadDismGenerationLibrary(dismGeneration))
{
throw new Exception($"Loading the latest DISM Generation library ({dismGeneration}) failed.");
}
DismApi.Initialize(logLevel, logFilePath, scratchDirectory);
CurrentDismGeneration = dismGeneration;
}