/// <summary>
/// The method calls RoOriginateLanguageException. The method has all the logic in try, catch block to ensure that none of the exception helpers
/// throw exception themselves.
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
private static bool OriginateLanguageException(Exception ex)
{
IntPtr pUnk = IntPtr.Zero;
HSTRING errorMsg = default(HSTRING);
try
{
pUnk = McgMarshal.ObjectToComInterface(ex, InternalTypes.IUnknown);
if (pUnk != IntPtr.Zero)
{
RuntimeAugments.GenerateExceptionInformationForDump(ex, pUnk);
errorMsg = McgMarshal.StringToHString(ex.Message);
return(ExternalInterop.RoOriginateLanguageException(ex.HResult, errorMsg, pUnk) >= 0);
}
}
catch (Exception)
{
// We can't do anything here and hence simply swallow the exception
}
finally
{
McgMarshal.ComSafeRelease(pUnk);
if (errorMsg.handle != IntPtr.Zero)
{
ExternalInterop.WindowsDeleteString(errorMsg.handle.ToPointer());
}
}
return(false);
}
internal static unsafe void RoGetActivationFactory(string className, ref Guid iid, out IntPtr ppv)
{
fixed(char *unsafe_className = className)
{
void *hstring_typeName = null;
HSTRING_HEADER hstringHeader;
int hr =
WindowsCreateStringReference(
unsafe_className, (uint)className.Length, &hstringHeader, &hstring_typeName);
if (hr < 0)
throw Marshal.GetExceptionForHR(hr);
fixed(Guid *unsafe_iid = &iid)
{
fixed(void *unsafe_ppv = &ppv)
{
hr = ExternalInterop.RoGetActivationFactory(
hstring_typeName,
unsafe_iid,
unsafe_ppv);
if (hr < 0)
{
throw Marshal.GetExceptionForHR(hr);
}
}
}
}
}
internal static void CachedFree(void *block, ref IntPtr cache)
{
if ((void *)Interlocked.CompareExchange(ref cache, new IntPtr(block), default(IntPtr)) != null)
{
ExternalInterop.MemFree((IntPtr)block);
}
}
internal static void GetReference(System.IntPtr pRestrictedErrorInfo, out string errReference)
{
Debug.Assert(pRestrictedErrorInfo != IntPtr.Zero);
IntPtr pReference = IntPtr.Zero;
errReference = null;
try
{
__com_IRestrictedErrorInfo *pComRestrictedErrorInfo = (__com_IRestrictedErrorInfo *)pRestrictedErrorInfo;
int result = CalliIntrinsics.StdCall <int>(pComRestrictedErrorInfo->pVtable->pfnGetReference, pRestrictedErrorInfo, out pReference);
if (result >= 0)
{
errReference = Interop.COM.ConvertBSTRToString(pReference);
}
else
{
errReference = null;
}
}
finally
{
if (pReference != IntPtr.Zero)
{
ExternalInterop.SysFreeString(pReference);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="errorCode">HRESULT</param>
/// <param name="sb">buffer</param>
/// <param name="errorMsg">output error message</param>
/// <returns>Return false IFF when buffer space isnt enough</returns>
private static unsafe bool TryGetMessage(int errorCode, int bufferSize, out string errorMsg)
{
errorMsg = null;
char[] buffer = new char[bufferSize];
int result;
fixed(char *pinned_lpBuffer = buffer)
{
result = ExternalInterop.FormatMessage(
FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_ARGUMENT_ARRAY | FORMAT_MESSAGE_MAX_WIDTH_MASK,
IntPtr.Zero, (uint)errorCode, 0, pinned_lpBuffer,
(uint)buffer.Length, IntPtr.Zero);
}
if (result != 0) //result hold the number of WCHARs stored in the output buffer(sb)
{
if (buffer[result - 1] == ' ')
{
buffer[result - 1] = '\0';
result = result - 1;
}
errorMsg = new string(buffer, 0, result);
return(true);
}
else
{
if (ExternalInterop.GetLastWin32Error() == ERROR_INSUFFICIENT_BUFFER)
{
return(false);
}
return(true);
}
}
#pragma warning restore 649, 169
/// <summary>
/// This method gets the mapping hr for the exception. and also does the right thing to propogate the hr correctly to the native layer.
///
/// We check if the exception is a pure managed exception or an exception created from an hr that entered the system from native.
/// a. If it is a pure managed exception we create an IUnknown ptr from the exception and RoOriginateLanguageException on it.
/// This helps us to preserve our managed exception and throw the same exception in case this exception roundtrips and hence preserve the call stack.
/// Since the API RoOriginateLanguageException is available only on windows blue, we can't do the same in win8. In desktop CLR we use the non-modern SDK API
/// GetErroInfo\SetErrorInfo combination to preserve managed exception but unfortunately we can't do this in .NET Native and hence we only our able to preserve the exception message and
/// type and end up getting a rough stacktrace PS - Even this behavior in win8 is possible only in debug mode as RoSetErrorReportingFlags is set to UseSetErrorInfo only in debug mode.
///
/// b. In case the exception is created due to an hr that entered managed world via native call, we will have restrictederrorInfo associated with it. In this case
/// we do not RoOriginateLanguageException\RoOriginateError and rather preserve the exception stack trace by simply calling the SetRestrictedErrorInfo.
///
/// c. PS - Due to the use of modern SDK we have no way to round trip exceptions in classicCOM scenarios any more.
/// This is because we can't use SetErrorInfo\GetErrorInfo APIs at all. Unfortunately we have no workaround for this even in windowsBlue!
/// With the use of IRestrictedErrorInfo has some disadvantages as we lose other info available with IErrorInfo in terms of HelpFile etc.
///
/// d. This class puts all the logic in try, catch block to ensure that none of the exception helpers.
/// throw exception themselves.
/// </summary>
/// <param name="ex"></param>
/// <param name="isWinRTScenario"></param>
/// <returns></returns>
internal static int GetHRForExceptionWithErrorPropogationNoThrow(Exception ex, bool isWinRTScenario)
{
int hr = ex.HResult;
if (hr == Interop.COM.COR_E_OBJECTDISPOSED && isWinRTScenario)
{
// Since ObjectDisposedException is projected to RO_E_CLOSED in WINRT we make sure to use the correct hr while updating the CRuntimeError object of Windows.
hr = Interop.COM.RO_E_CLOSED;
}
try
{
// Check whether the exception has an associated RestrictedErrorInfo associated with it.
if (isWinRTScenario)
{
IntPtr pRestrictedErrorInfo;
object restrictedErrorInfo;
if (InteropExtensions.TryGetRestrictedErrorObject(ex, out restrictedErrorInfo) && restrictedErrorInfo != null)
{
// We have the restricted errorInfo associated with this object and hence this exception was created by an hr entering managed through native.
pRestrictedErrorInfo = McgMarshal.ObjectToComInterface(restrictedErrorInfo, InternalTypes.IRestrictedErrorInfo);
if (pRestrictedErrorInfo != IntPtr.Zero)
{
// We simply call SetRestrictedErrorInfo since we do not want to originate the exception again.
ExternalInterop.SetRestrictedErrorInfo(pRestrictedErrorInfo);
McgMarshal.ComSafeRelease(pRestrictedErrorInfo);
}
}
else
{
// we are in windows blue and hence we can preserve our exception so that we can reuse this exception in case it comes back and provide richer exception support.
OriginateLanguageException(ex);
}
}
else
{
// We are either pre WinBlue or in classicCOM scenario and hence we can only RoOriginateError at this point.
// Desktop CLR uses SetErrorInfo and preserves the exception object which helps us give the same support as winBlue.
// Since .NET Native can only use modern SDK we have a compatibility break here by only preserving the restrictederrorMsg and exception type but the stack trace will be incorrect.
// Also RoOriginateError works only under the debugger since RoSetErrorReportingFlags is set to RO_ERROR_REPORTING_USESETERRORINFO.
// If we are not under the debugger we can't set this API since it is not part of the modernSDK and hence this will not work
// and will result in different behavior than the desktop.
HSTRING errorMsg = McgMarshal.StringToHString(ex.Message);
ExternalInterop.RoOriginateError(ex.HResult, errorMsg);
ExternalInterop.WindowsDeleteString(errorMsg.handle.ToPointer());
}
}
catch (Exception)
{
// We can't throw an exception here and hence simply swallow it.
}
return(hr);
}
/// <summary>
/// Release a IStream that has marshalled data in it
/// </summary>
internal static void SafeReleaseStream(IntPtr pStream)
{
Debug.Assert(pStream != default(IntPtr));
#if ENABLE_WINRT
// Release marshalled data and ignore any error
ExternalInterop.CoReleaseMarshalData(pStream);
McgMarshal.ComRelease(pStream);
#else
throw new PlatformNotSupportedException("SafeReleaseStream");
#endif
}
public static unsafe string HStringToString(HSTRING pHString)
{
if (pHString.handle == IntPtr.Zero)
{
return(String.Empty);
}
uint length = 0;
char *pchBuffer = ExternalInterop.WindowsGetStringRawBuffer(pHString.handle.ToPointer(), &length);
return(new string(pchBuffer, 0, (int)length));
}
internal static void *CachedAlloc(int size, ref IntPtr cache)
{
// Read cache, clear it
void *pBlock = (void *)Interlocked.Exchange(ref cache, default(IntPtr));
if (pBlock == null)
{
pBlock = (void *)ExternalInterop.MemAlloc(new UIntPtr((uint)size));
}
return(pBlock);
}
internal static bool GetErrorDetails(System.IntPtr pRestrictedErrorInfo, out string errMsg, out int hr, out string resErrMsg, out string errCapSid)
{
Debug.Assert(pRestrictedErrorInfo != IntPtr.Zero);
IntPtr pErrDes, pResErrDes, pErrCapSid;
pErrDes = pResErrDes = pErrCapSid = IntPtr.Zero;
int result;
try
{
// Get the errorDetails associated with the restrictedErrorInfo.
__com_IRestrictedErrorInfo *pComRestrictedErrorInfo = (__com_IRestrictedErrorInfo *)pRestrictedErrorInfo;
result = CalliIntrinsics.StdCall <int>(
pComRestrictedErrorInfo->pVtable->pfnGetErrorDetails,
pRestrictedErrorInfo,
out pErrDes,
out hr,
out pResErrDes,
out pErrCapSid);
if (result >= 0)
{
// RestrictedErrorInfo details can be used since the pRestrictedErrorInfo has the same hr value as the hr returned by the native code.
errMsg = Interop.COM.ConvertBSTRToString(pErrDes);
resErrMsg = Interop.COM.ConvertBSTRToString(pResErrDes);
errCapSid = Interop.COM.ConvertBSTRToString(pErrCapSid);
}
else
{
errMsg = resErrMsg = errCapSid = null;
hr = 0;
}
}
finally
{
if (pErrDes != IntPtr.Zero)
{
ExternalInterop.SysFreeString(pErrDes);
}
if (pResErrDes != IntPtr.Zero)
{
ExternalInterop.SysFreeString(pResErrDes);
}
if (pErrCapSid != IntPtr.Zero)
{
ExternalInterop.SysFreeString(pErrCapSid);
}
}
return(result >= 0);
}
internal static bool ReportUnhandledError(Exception e)
{
System.IntPtr pRestrictedErrorInfo = IntPtr.Zero;
if (e != null)
{
try
{
#if ENABLE_WINRT
// Only report to the WinRT global exception handler in modern apps
WinRTInteropCallbacks callbacks = WinRTInterop.Callbacks;
if (callbacks == null || !callbacks.IsAppxModel())
{
return(false);
}
// Get the IUnknown for the current exception and originate it as a langauge error in order to have
// Windows generate an IRestrictedErrorInfo corresponding to the exception object. We can then
// notify the global error handler that this IRestrictedErrorInfo instance represents an exception that
// went unhandled in managed code.
if (OriginateLanguageException(e) && TryGetRestrictedErrorInfo(out pRestrictedErrorInfo))
{
return(ExternalInterop.RoReportUnhandledError(pRestrictedErrorInfo) >= 0);
}
#else
return(false);
#endif // ENABLE_WINRT
}
catch (Exception)
{
// We can't give an exception in this code, so we simply swallow the exception here.
}
finally
{
McgMarshal.ComSafeRelease(pRestrictedErrorInfo);
}
}
// If we have got here, then some step of the pInvoke failed, which means the GEH was not invoked
return(false);
}
public static unsafe void StringToHStringReference(
char *pchPinnedSourceString,
string sourceString,
HSTRING_HEADER *pHeader,
HSTRING *phString)
{
if (sourceString == null)
{
throw new ArgumentNullException(nameof(sourceString), SR.Null_HString);
}
int hr = ExternalInterop.WindowsCreateStringReference(
pchPinnedSourceString,
(uint)sourceString.Length,
pHeader,
(void **)phString);
if (hr < 0)
{
throw Marshal.GetExceptionForHR(hr);
}
}
/// <summary>
/// Release any unmanaged memory associated with the Variant
/// </summary>
/// <returns></returns>
public void Clear()
{
// We do not need to call OLE32's VariantClear for primitive types or ByRefs
// to safe ourselves the cost of interop transition.
// ByRef indicates the memory is not owned by the VARIANT itself while
// primitive types do not have any resources to free up.
// Hence, only safearrays, BSTRs, interfaces and user types are
// handled differently.
VarEnum vt = VariantType;
if ((vt & VarEnum.VT_BYREF) != 0)
{
VariantType = VarEnum.VT_EMPTY;
}
else if (
((vt & VarEnum.VT_ARRAY) != 0) ||
((vt) == VarEnum.VT_BSTR) ||
((vt) == VarEnum.VT_UNKNOWN) ||
((vt) == VarEnum.VT_DISPATCH) ||
((vt) == VarEnum.VT_VARIANT) ||
((vt) == VarEnum.VT_RECORD) ||
((vt) == VarEnum.VT_VARIANT)
)
{
unsafe
{
fixed(void *pThis = &this)
{
ExternalInterop.VariantClear((IntPtr)pThis);
}
}
Debug.Assert(IsEmpty, "variant");
}
else
{
VariantType = VarEnum.VT_EMPTY;
}
}
public static unsafe void FreeHString(IntPtr pHString)
{
ExternalInterop.WindowsDeleteString(pHString.ToPointer());
}
static bool TryGetRestrictedErrorInfo(out IntPtr pRestrictedErrorInfo)
{
return(ExternalInterop.GetRestrictedErrorInfo(out pRestrictedErrorInfo) >= 0 && pRestrictedErrorInfo != IntPtr.Zero);
}
public static void SaveLastWin32Error()
{
s_lastWin32Error = ExternalInterop.GetLastWin32Error();
}
/// <summary>
/// This does a mapping from hr to the exception and also takes care of making default exception in case of classic COM as COMException.
/// and in winrt and marshal APIs as Exception.
/// </summary>
/// <param name="errorCode"></param>
/// <param name="message"></param>
/// <param name="createCOMException"></param>
/// <returns></returns>
internal static Exception GetMappingExceptionForHR(int errorCode, string message, bool createCOMException, bool hasErrorInfo)
{
if (errorCode >= 0)
{
return(null);
}
Exception exception = null;
bool shouldDisplayHR = false;
switch (errorCode)
{
case __HResults.COR_E_NOTFINITENUMBER: // NotFiniteNumberException
case __HResults.COR_E_ARITHMETIC:
exception = new ArithmeticException();
break;
case __HResults.COR_E_ARGUMENT:
case unchecked ((int)0x800A01C1):
case unchecked ((int)0x800A01C2):
case __HResults.CLR_E_BIND_UNRECOGNIZED_IDENTITY_FORMAT:
exception = new ArgumentException();
if (errorCode != __HResults.COR_E_ARGUMENT)
{
shouldDisplayHR = true;
}
break;
case __HResults.E_BOUNDS:
case __HResults.COR_E_ARGUMENTOUTOFRANGE:
case __HResults.ERROR_NO_UNICODE_TRANSLATION:
exception = new ArgumentOutOfRangeException();
if (errorCode != __HResults.COR_E_ARGUMENTOUTOFRANGE)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_ARRAYTYPEMISMATCH:
exception = new ArrayTypeMismatchException();
break;
case __HResults.COR_E_BADIMAGEFORMAT:
case __HResults.CLDB_E_FILE_OLDVER:
case __HResults.CLDB_E_INDEX_NOTFOUND:
case __HResults.CLDB_E_FILE_CORRUPT:
case __HResults.COR_E_NEWER_RUNTIME:
case __HResults.COR_E_ASSEMBLYEXPECTED:
case __HResults.ERROR_BAD_EXE_FORMAT:
case __HResults.ERROR_EXE_MARKED_INVALID:
case __HResults.CORSEC_E_INVALID_IMAGE_FORMAT:
case __HResults.ERROR_NOACCESS:
case __HResults.ERROR_INVALID_ORDINAL:
case __HResults.ERROR_INVALID_DLL:
case __HResults.ERROR_FILE_CORRUPT:
case __HResults.COR_E_LOADING_REFERENCE_ASSEMBLY:
case __HResults.META_E_BAD_SIGNATURE:
exception = new BadImageFormatException();
// Always show HR for BadImageFormatException
shouldDisplayHR = true;
break;
case __HResults.COR_E_CUSTOMATTRIBUTEFORMAT:
exception = new FormatException();
break; // CustomAttributeFormatException
case __HResults.COR_E_DATAMISALIGNED:
exception = InteropExtensions.CreateDataMisalignedException(message); // TODO: Do we need to add msg here?
break;
case __HResults.COR_E_DIVIDEBYZERO:
case __HResults.CTL_E_DIVISIONBYZERO:
exception = new DivideByZeroException();
if (errorCode != __HResults.COR_E_DIVIDEBYZERO)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_DLLNOTFOUND:
#if ENABLE_WINRT
exception = new DllNotFoundException();
#endif
break;
case __HResults.COR_E_DUPLICATEWAITOBJECT:
exception = new ArgumentException();
break; // DuplicateWaitObjectException
case __HResults.COR_E_ENDOFSTREAM:
case unchecked ((int)0x800A003E):
exception = new CoreFX_IO::System.IO.EndOfStreamException();
if (errorCode != __HResults.COR_E_ENDOFSTREAM)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_TYPEACCESS: // TypeAccessException
case __HResults.COR_E_ENTRYPOINTNOTFOUND:
exception = new TypeLoadException();
break; // EntryPointNotFoundException
case __HResults.COR_E_EXCEPTION:
exception = new Exception();
break;
case __HResults.COR_E_DIRECTORYNOTFOUND:
case __HResults.STG_E_PATHNOTFOUND:
case __HResults.CTL_E_PATHNOTFOUND:
exception = new System.IO.DirectoryNotFoundException();
if (errorCode != __HResults.COR_E_DIRECTORYNOTFOUND)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_FILELOAD:
case __HResults.FUSION_E_INVALID_PRIVATE_ASM_LOCATION:
case __HResults.FUSION_E_SIGNATURE_CHECK_FAILED:
case __HResults.FUSION_E_LOADFROM_BLOCKED:
case __HResults.FUSION_E_CACHEFILE_FAILED:
case __HResults.FUSION_E_ASM_MODULE_MISSING:
case __HResults.FUSION_E_INVALID_NAME:
case __HResults.FUSION_E_PRIVATE_ASM_DISALLOWED:
case __HResults.FUSION_E_HOST_GAC_ASM_MISMATCH:
case __HResults.COR_E_MODULE_HASH_CHECK_FAILED:
case __HResults.FUSION_E_REF_DEF_MISMATCH:
case __HResults.SECURITY_E_INCOMPATIBLE_SHARE:
case __HResults.SECURITY_E_INCOMPATIBLE_EVIDENCE:
case __HResults.SECURITY_E_UNVERIFIABLE:
case __HResults.COR_E_FIXUPSINEXE:
case __HResults.ERROR_TOO_MANY_OPEN_FILES:
case __HResults.ERROR_SHARING_VIOLATION:
case __HResults.ERROR_LOCK_VIOLATION:
case __HResults.ERROR_OPEN_FAILED:
case __HResults.ERROR_DISK_CORRUPT:
case __HResults.ERROR_UNRECOGNIZED_VOLUME:
case __HResults.ERROR_DLL_INIT_FAILED:
case __HResults.FUSION_E_CODE_DOWNLOAD_DISABLED:
case __HResults.CORSEC_E_MISSING_STRONGNAME:
case __HResults.MSEE_E_ASSEMBLYLOADINPROGRESS:
case __HResults.ERROR_FILE_INVALID:
exception = new System.IO.FileLoadException();
shouldDisplayHR = true;
break;
case __HResults.COR_E_PATHTOOLONG:
exception = new System.IO.PathTooLongException();
break;
case __HResults.COR_E_IO:
case __HResults.CTL_E_DEVICEIOERROR:
case unchecked ((int)0x800A793C):
case unchecked ((int)0x800A793D):
exception = new System.IO.IOException();
if (errorCode != __HResults.COR_E_IO)
{
shouldDisplayHR = true;
}
break;
case __HResults.ERROR_FILE_NOT_FOUND:
case __HResults.ERROR_MOD_NOT_FOUND:
case __HResults.ERROR_INVALID_NAME:
case __HResults.CTL_E_FILENOTFOUND:
case __HResults.ERROR_BAD_NET_NAME:
case __HResults.ERROR_BAD_NETPATH:
case __HResults.ERROR_NOT_READY:
case __HResults.ERROR_WRONG_TARGET_NAME:
case __HResults.INET_E_UNKNOWN_PROTOCOL:
case __HResults.INET_E_CONNECTION_TIMEOUT:
case __HResults.INET_E_CANNOT_CONNECT:
case __HResults.INET_E_RESOURCE_NOT_FOUND:
case __HResults.INET_E_OBJECT_NOT_FOUND:
case __HResults.INET_E_DOWNLOAD_FAILURE:
case __HResults.INET_E_DATA_NOT_AVAILABLE:
case __HResults.ERROR_DLL_NOT_FOUND:
case __HResults.CLR_E_BIND_ASSEMBLY_VERSION_TOO_LOW:
case __HResults.CLR_E_BIND_ASSEMBLY_PUBLIC_KEY_MISMATCH:
case __HResults.CLR_E_BIND_ASSEMBLY_NOT_FOUND:
exception = new System.IO.FileNotFoundException();
shouldDisplayHR = true;
break;
case __HResults.COR_E_FORMAT:
exception = new FormatException();
break;
case __HResults.COR_E_INDEXOUTOFRANGE:
case unchecked ((int)0x800a0009):
exception = new IndexOutOfRangeException();
if (errorCode != __HResults.COR_E_INDEXOUTOFRANGE)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_INVALIDCAST:
exception = new InvalidCastException();
break;
case __HResults.COR_E_INVALIDCOMOBJECT:
exception = new InvalidComObjectException();
break;
case __HResults.COR_E_INVALIDOLEVARIANTTYPE:
exception = new InvalidOleVariantTypeException();
break;
case __HResults.COR_E_INVALIDOPERATION:
case __HResults.E_ILLEGAL_STATE_CHANGE:
case __HResults.E_ILLEGAL_METHOD_CALL:
case __HResults.E_ILLEGAL_DELEGATE_ASSIGNMENT:
case __HResults.APPMODEL_ERROR_NO_PACKAGE:
exception = new InvalidOperationException();
if (errorCode != __HResults.COR_E_INVALIDOPERATION)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_MARSHALDIRECTIVE:
exception = new MarshalDirectiveException();
break;
case __HResults.COR_E_METHODACCESS: // MethodAccessException
case __HResults.META_E_CA_FRIENDS_SN_REQUIRED: // MethodAccessException
case __HResults.COR_E_FIELDACCESS:
case __HResults.COR_E_MEMBERACCESS:
exception = new MemberAccessException();
if (errorCode != __HResults.COR_E_METHODACCESS)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_MISSINGFIELD: // MissingFieldException
case __HResults.COR_E_MISSINGMETHOD: // MissingMethodException
case __HResults.COR_E_MISSINGMEMBER:
case unchecked ((int)0x800A01CD):
exception = new MissingMemberException();
break;
case __HResults.COR_E_MISSINGMANIFESTRESOURCE:
exception = new System.Resources.MissingManifestResourceException();
break;
case __HResults.COR_E_NOTSUPPORTED:
case unchecked ((int)0x800A01B6):
case unchecked ((int)0x800A01BD):
case unchecked ((int)0x800A01CA):
case unchecked ((int)0x800A01CB):
exception = new NotSupportedException();
if (errorCode != __HResults.COR_E_NOTSUPPORTED)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_NULLREFERENCE:
exception = new NullReferenceException();
break;
case __HResults.COR_E_OBJECTDISPOSED:
case __HResults.RO_E_CLOSED:
// No default constructor
exception = new ObjectDisposedException(String.Empty);
break;
case __HResults.COR_E_OPERATIONCANCELED:
#if ENABLE_WINRT
exception = new OperationCanceledException();
#endif
break;
case __HResults.COR_E_OVERFLOW:
case __HResults.CTL_E_OVERFLOW:
exception = new OverflowException();
break;
case __HResults.COR_E_PLATFORMNOTSUPPORTED:
exception = new PlatformNotSupportedException(message);
break;
case __HResults.COR_E_RANK:
exception = new RankException();
break;
case __HResults.COR_E_REFLECTIONTYPELOAD:
#if ENABLE_WINRT
exception = new System.Reflection.ReflectionTypeLoadException(null, null);
#endif
break;
case __HResults.COR_E_SECURITY:
case __HResults.CORSEC_E_INVALID_STRONGNAME:
case __HResults.CTL_E_PERMISSIONDENIED:
case unchecked ((int)0x800A01A3):
case __HResults.CORSEC_E_INVALID_PUBLICKEY:
case __HResults.CORSEC_E_SIGNATURE_MISMATCH:
exception = new System.Security.SecurityException();
break;
case __HResults.COR_E_SAFEARRAYRANKMISMATCH:
exception = new SafeArrayRankMismatchException();
break;
case __HResults.COR_E_SAFEARRAYTYPEMISMATCH:
exception = new SafeArrayTypeMismatchException();
break;
case __HResults.COR_E_SERIALIZATION:
exception = new System.Runtime.Serialization.SerializationException(message);
break;
case __HResults.COR_E_SYNCHRONIZATIONLOCK:
exception = new System.Threading.SynchronizationLockException();
break;
case __HResults.COR_E_TARGETINVOCATION:
exception = new System.Reflection.TargetInvocationException(null);
break;
case __HResults.COR_E_TARGETPARAMCOUNT:
exception = new System.Reflection.TargetParameterCountException();
break;
case __HResults.COR_E_TYPEINITIALIZATION:
exception = InteropExtensions.CreateTypeInitializationException(message);
break;
case __HResults.COR_E_TYPELOAD:
case __HResults.RO_E_METADATA_NAME_NOT_FOUND:
case __HResults.CLR_E_BIND_TYPE_NOT_FOUND:
exception = new TypeLoadException();
if (errorCode != __HResults.COR_E_TYPELOAD)
{
shouldDisplayHR = true;
}
break;
case __HResults.COR_E_UNAUTHORIZEDACCESS:
case __HResults.CTL_E_PATHFILEACCESSERROR:
case unchecked ((int)0x800A014F):
exception = new UnauthorizedAccessException();
shouldDisplayHR = true;
break;
case __HResults.COR_E_VERIFICATION:
exception = new System.Security.VerificationException();
break;
case __HResults.E_NOTIMPL:
exception = new NotImplementedException();
break;
case __HResults.E_OUTOFMEMORY:
case __HResults.CTL_E_OUTOFMEMORY:
case unchecked ((int)0x800A7919):
exception = new OutOfMemoryException();
if (errorCode != __HResults.E_OUTOFMEMORY)
{
shouldDisplayHR = true;
}
break;
#if ENABLE_WINRT
case __HResults.E_XAMLPARSEFAILED:
exception = ConstructExceptionUsingReflection(
"Windows.UI.Xaml.Markup.XamlParseException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0",
message);
break;
case __HResults.E_ELEMENTNOTAVAILABLE:
exception = ConstructExceptionUsingReflection(
"Windows.UI.Xaml.Automation.ElementNotAvailableException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0",
message);
break;
case __HResults.E_ELEMENTNOTENABLED:
exception = ConstructExceptionUsingReflection(
"Windows.UI.Xaml.Automation.ElementNotEnabledException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0",
message);
break;
case __HResults.E_LAYOUTCYCLE:
exception = ConstructExceptionUsingReflection(
"Windows.UI.Xaml.LayoutCycleException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0",
message);
break;
#endif // ENABLE_WINRT
case __HResults.COR_E_AMBIGUOUSMATCH: // AmbiguousMatchException
case __HResults.COR_E_APPLICATION: // ApplicationException
case __HResults.COR_E_APPDOMAINUNLOADED: // AppDomainUnloadedException
case __HResults.COR_E_CANNOTUNLOADAPPDOMAIN: // CannotUnloadAppDomainException
case __HResults.COR_E_CODECONTRACTFAILED: // ContractException
case __HResults.COR_E_CONTEXTMARSHAL: // ContextMarshalException
case __HResults.CORSEC_E_CRYPTO: // CryptographicException
case __HResults.CORSEC_E_CRYPTO_UNEX_OPER: // CryptographicUnexpectedOperationException
case __HResults.COR_E_EXECUTIONENGINE: // ExecutionEngineException
case __HResults.COR_E_INSUFFICIENTEXECUTIONSTACK: // InsufficientExecutionStackException
case __HResults.COR_E_INVALIDFILTERCRITERIA: // InvalidFilterCriteriaException
case __HResults.COR_E_INVALIDPROGRAM: // InvalidProgramException
case __HResults.COR_E_MULTICASTNOTSUPPORTED: // MulticastNotSupportedException
case __HResults.COR_E_REMOTING: // RemotingException
case __HResults.COR_E_RUNTIMEWRAPPED: // RuntimeWrappedException
case __HResults.COR_E_SERVER: // ServerException
case __HResults.COR_E_STACKOVERFLOW: // StackOverflowException
case __HResults.CTL_E_OUTOFSTACKSPACE: // StackOverflowException
case __HResults.COR_E_SYSTEM: // SystemException
case __HResults.COR_E_TARGET: // TargetException
case __HResults.COR_E_THREADABORTED: // TargetException
case __HResults.COR_E_THREADINTERRUPTED: // ThreadInterruptedException
case __HResults.COR_E_THREADSTATE: // ThreadStateException
case __HResults.COR_E_THREADSTART: // ThreadStartException
case __HResults.COR_E_TYPEUNLOADED: // TypeUnloadedException
case __HResults.CORSEC_E_POLICY_EXCEPTION: // PolicyException
case __HResults.CORSEC_E_NO_EXEC_PERM: // PolicyException
case __HResults.CORSEC_E_MIN_GRANT_FAIL: // PolicyException
case __HResults.CORSEC_E_XMLSYNTAX: // XmlSyntaxException
case __HResults.ISS_E_ALLOC_TOO_LARGE: // IsolatedStorageException
case __HResults.ISS_E_BLOCK_SIZE_TOO_SMALL: // IsolatedStorageException
case __HResults.ISS_E_CALLER: // IsolatedStorageException
case __HResults.ISS_E_CORRUPTED_STORE_FILE: // IsolatedStorageException
case __HResults.ISS_E_CREATE_DIR: // IsolatedStorageException
case __HResults.ISS_E_CREATE_MUTEX: // IsolatedStorageException
case __HResults.ISS_E_DEPRECATE: // IsolatedStorageException
case __HResults.ISS_E_FILE_NOT_MAPPED: // IsolatedStorageException
case __HResults.ISS_E_FILE_WRITE: // IsolatedStorageException
case __HResults.ISS_E_GET_FILE_SIZE: // IsolatedStorageException
case __HResults.ISS_E_ISOSTORE: // IsolatedStorageException
case __HResults.ISS_E_LOCK_FAILED: // IsolatedStorageException
case __HResults.ISS_E_MACHINE: // IsolatedStorageException
case __HResults.ISS_E_MACHINE_DACL: // IsolatedStorageException
case __HResults.ISS_E_MAP_VIEW_OF_FILE: // IsolatedStorageException
case __HResults.ISS_E_OPEN_FILE_MAPPING: // IsolatedStorageException
case __HResults.ISS_E_OPEN_STORE_FILE: // IsolatedStorageException
case __HResults.ISS_E_PATH_LENGTH: // IsolatedStorageException
case __HResults.ISS_E_SET_FILE_POINTER: // IsolatedStorageException
case __HResults.ISS_E_STORE_NOT_OPEN: // IsolatedStorageException
case __HResults.ISS_E_STORE_VERSION: // IsolatedStorageException
case __HResults.ISS_E_TABLE_ROW_NOT_FOUND: // IsolatedStorageException
case __HResults.ISS_E_USAGE_WILL_EXCEED_QUOTA: // IsolatedStorageException
case __HResults.E_FAIL:
default:
break;
}
if (exception == null)
{
if (createCOMException)
{
exception = new COMException();
if (errorCode != __HResults.E_FAIL)
{
shouldDisplayHR = true;
}
}
else
{
exception = new Exception();
if (errorCode != __HResults.COR_E_EXCEPTION)
{
shouldDisplayHR = true;
}
}
}
bool shouldConstructMessage = false;
if (hasErrorInfo)
{
// If there is a IErrorInfo/IRestrictedErrorInfo, only construct a new error message if
// the message is not available and do not use the shouldDisplayHR setting
if (message == null)
{
shouldConstructMessage = true;
}
}
else
{
// If there is no IErrorInfo, use the shouldDisplayHR setting from the big switch/case above
shouldConstructMessage = shouldDisplayHR;
}
if (shouldConstructMessage)
{
//
// Append the HR into error message, just in case the app wants to look at the HR in
// message to determine behavior. We didn't expose HResult property until v4.5 and
// GetHRFromException has side effects so probably Message was their only choice.
// This behavior is probably not exactly the same as in desktop but it is fine to append
// more message at the end. In any case, having the HR in the error message are helpful
// to developers.
// This makes sure:
// 1. We always have a HR 0xNNNNNNNN in the message
// 2. Put in a nice "Exception thrown from HRESULT" message if we can
// 3. Wrap it in () if there is an existing message
//
// TODO: Add Symbolic Name into Messaage, convert 0x80020006 to DISP_E_UNKNOWNNAME
string hrMessage = String.Format("{0} 0x{1}", SR.Excep_FromHResult, errorCode.LowLevelToString());
message = ExternalInterop.GetMessage(errorCode);
// Always make sure we have at least the HRESULT part in retail build or when the message
// is empty.
if (message == null)
{
message = hrMessage;
}
else
{
message = message + " (" + hrMessage + ")";
}
}
if (message != null)
{
// Set message explicitly rather than calling constructor because certain ctors would append a
// prefix to the message and that is not what we want
InteropExtensions.SetExceptionMessage(exception, message);
}
InteropExtensions.SetExceptionErrorCode(exception, errorCode);
return(exception);
}
