/// <summary>
/// Gets a <see cref="DismException"/> or <see cref="Exception"/> for the specified error code.
/// </summary>
/// <param name="errorCode">The error code to get an exception for.</param>
/// <returns>A <see cref="DismException"/> or <see cref="Exception"/> that represents the error code.</returns>
internal static Exception GetDismExceptionForHResult(int errorCode)
{
// Look for known error codes
switch ((uint)errorCode)
{
case Win32Error.ERROR_REQUEST_ABORTED:
case 0x80070000 | Win32Error.ERROR_REQUEST_ABORTED:
return(new OperationCanceledException());
case Win32Error.ERROR_SUCCESS_REBOOT_REQUIRED:
return(new DismRebootRequiredException(errorCode));
case DismApi.DISMAPI_E_DISMAPI_NOT_INITIALIZED:
// User has not called DismApi.Initialize()
return(new DismNotInitializedException(errorCode));
case DismApi.DISMAPI_E_OPEN_SESSION_HANDLES:
// User has not called CloseSession() on open sessions
return(new DismOpenSessionsException(errorCode));
}
// Attempt to get an error message from the DismApi
string lastError = DismApi.GetLastErrorMessage();
// See if the result is not null
if (!String.IsNullOrEmpty(lastError))
{
// Return a DismException object
return(new DismException(errorCode, lastError.Trim()));
}
// Return an Exception for the HResult
return(Marshal.GetExceptionForHR(errorCode));
}