Marshal.GetHRForException Method (Exception)
Converts the specified exception to an HRESULT.
Assembly: mscorlib (in mscorlib.dll)
System.Runtime.InteropServices.PreserveSigAttribute. Have the attributed method catch all exceptions and use to return the appropriate HRESULT value. Allowing an exception to propagate outside the method produces incorrect behavior. (In fact, the common language runtime fails to pass an exception to a COM client that calls such a method through a v-table.)4dda6909-2d9a-4727-ae0c-b5f90dcfa447also sets up an interface for the exception that can be obtained by calling the COM GetErrorInfoNEEDGUID function. You can use this function to return an HRESULT value on a managed class implementation of a COM interface where you apply the
Note that the ThrowExceptionForHR methods that default to using the IErrorInfo of the current thread if it is set.method sets the IErrorInfo of the current thread. This can cause unexpected results for methods like the
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Available since 4.5
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Available since 8.1