// ReSharper disable once TooManyArguments
public static extern int CheckElevation(
string applicationName,
ref uint flags,
IntPtr childToken,
out RunLevel runLevel,
out RunLevelConclusionReason reason
);
/// <summary>
/// Checks a file and retrieve the expected <see cref="RunLevel" /> for it to start
/// </summary>
/// <param name="applicationAddress">Address of the file or the executable</param>
/// <param name="reason">A value showing the reason of this conclusion</param>
/// <returns>A value indicating the expected run level</returns>
/// <exception cref="NotSupportedException">This method is only supported on Windows Vista+</exception>
public static RunLevel GetExpectedRunlevel(string applicationAddress, out RunLevelConclusionReason reason)
{
try
{
RunLevel runLevel;
uint pdwFlags = 0;
var errorCode = Kernel.CheckElevation(applicationAddress, ref pdwFlags, IntPtr.Zero, out runLevel,
out reason);
if (errorCode == 0) // ERROR_SUCCESS
{
return(runLevel);
}
var exception = new Win32Exception(errorCode);
switch (errorCode)
{
case 2: // ERROR_FILE_NOT_FOUND
throw new FileNotFoundException(exception.Message, applicationAddress, exception);
case 3: // ERROR_PATH_NOT_FOUND
throw new DirectoryNotFoundException(exception.Message, exception);
case 5: // ERROR_ACCESS_DENIED
throw new UnauthorizedAccessException(exception.Message, exception);
case 8: // ERROR_NOT_ENOUGH_MEMORY
case 14: // ERROR_OUTOFMEMORY
throw new InsufficientMemoryException(exception.Message, exception);
case 15: // ERROR_INVALID_DRIVE
throw new DriveNotFoundException(exception.Message, exception);
default:
throw exception;
}
}
catch (EntryPointNotFoundException)
{
throw new NotSupportedException();
}
}
