/// <summary>
/// Try to get the error message for GetLastError result
/// </summary>
public static string LastErrorToString(WindowsError error)
{
string message = ErrorMethods.FormatMessage(
messageId: (uint)error,
source: IntPtr.Zero,
flags: FormatMessageFlags.FORMAT_MESSAGE_FROM_SYSTEM);
return(Enum.IsDefined(typeof(WindowsError), error)
? $"{error} ({(uint)error}): {message}"
: $"Error {error}: {message}");
}
/// <summary>
/// Try to get the string for an HRESULT
/// </summary>
public static string HResultToString(HRESULT hr)
{
string message;
if (ErrorMacros.HRESULT_FACILITY(hr) == Facility.WIN32)
{
// Win32 Error, extract the code
message = ErrorMethods.FormatMessage(
messageId: (uint)ErrorMacros.HRESULT_CODE(hr),
source: IntPtr.Zero,
flags: FormatMessageFlags.FORMAT_MESSAGE_FROM_SYSTEM);
}
else
{
// Hope that we get a rational IErrorInfo
Exception exception = Marshal.GetExceptionForHR((int)hr);
message = exception.Message;
}
return($"HRESULT {(int)hr:D} [0x{(int)hr:X}]: {message}");
}