Functions (Windows Runtime C++ reference)

In this section

Function	Description
CoDecodeProxy	Locates the implementation of a Component Object Model (COM) interface in a server process given an interface to a proxied object.
CreateControlInput	Creates a ICoreInputSourceBase object in the caller’s UI thread.
CreateControlInputEx	Creates a ICoreInputSourceBase object in a worker thread or the UI thread.
CreateDirect3D11DeviceFromDXGIDevice	Creates an instance of IDirect3DDevice from an IDXGIDevice.
CreateDirect3D11SurfaceFromDXGISurface	Creates an instance of IDirect3DSurface from an IDXGISurface.
CreateDirect3DDevice	Creates an instance of IDirect3DDevice from an IDXGIDevice.
CreateDirect3DSurface	Creates an instance of IDirect3DSurface from an IDXGISurface.
CreateRandomAccessStreamOnFile	Creates a Windows Runtime random access stream for a file.
CreateRandomAccessStreamOverStream	Creates a Windows Runtime random access stream around an IStream base implementation.
CreateStreamOverRandomAccessStream	Creates an IStream around a Windows Runtime IRandomAccessStream object.
CreateXamlUIPresenter	A static creator function that can create a XamlUIPresenter for a render surface in a desktop app.
DbgRaiseAssertionFailure	Raises an assert for debugging.
GetDXGIInterface(IDirect3DDevice^, DXGI_TYPE)**	Retrieves a DXGI interface from an IDirect3DDevice instance.
GetDXGIInterface(IDirect3DSurface^, DXGI_TYPE)**	Retrieves a DXGI interface from an IDirect3DSurface instance.
GetDXGIInterfaceFromObject	Retrieves a DXGI interface from an object.
GetRestrictedErrorInfo	Gets the restricted error information object set by a previous call to SetRestrictedErrorInfo in the current logical thread.
HSTRING_UserFree	Frees resources on the server side when called by RPC stub files.
HSTRING_UserFree64	Frees resources on the server side when called by RPC stub files.
HSTRING_UserMarshal	Marshals an HSTRING object into the RPC buffer.
HSTRING_UserMarshal64	Marshals an HSTRING object into the RPC buffer.
HSTRING_UserSize	Calculates the wire size of the HSTRING object, and gets its handle and data.
HSTRING_UserSize64	Calculates the wire size of the HSTRING object, and gets its handle and data.
HSTRING_UserUnmarshal	Unmarshals an HSTRING object from the RPC buffer.
HSTRING_UserUnmarshal64	Unmarshals an HSTRING object from the RPC buffer.
IsErrorPropagationEnabled	Indicates whether the CoreApplication.UnhandledErrorDetected event occurs for the errors that are returned by the delegate registered as a callback function for a Windows Runtime API event or the completion of an asynchronous method.
DllGetActivationFactory	Retrieves the activation factory from a DLL that contains activatable Windows Runtime classes.
MetaDataGetDispenser	Creates a dispenser class.
PdfCreateRenderer	Gets an instance of the IPdfRendererNative interface for displaying a single page of a Portable Document Format (PDF) file.
PdfRenderParams	Populates a PDF_RENDER_PARAMS stucture. A PDF_RENDER_PARAMS structure represents a set of properties for outputting a single page of a PDF file.
RoActivateInstance	Activates the specified Windows Runtime class.
RoCaptureErrorContext	Saves the current error context so that it's available for later calls to the RoFailFastWithErrorContext function.
RoClearError	Removes existing error information from the current thread environment block (TEB).
RoFailFastWithErrorContext	Raises a non-continuable exception in the current process.
RoFailFastWithErrorContextInternal2	Raises a non-continuable exception in the current process, and also allows you to include additional error context not already captured by the OS.
RoFreeParameterizedTypeExtra	Frees the handle allocated by RoGetParameterizedTypeInstanceIID.
RoGetActivatableClassRegistration	Enables retrieving class registration information.
RoGetActivationFactory	Gets the activation factory for the specified runtime class.
RoGetAgileReference	Creates an agile reference for an object specified by the given interface.
RoGetApartmentIdentifier	Gets a unique identifier for the current apartment.
RoGetBufferMarshaler	Provides a standard IBuffer marshaler to implement the semantics associated with the IBuffer interface when it is marshaled.
RoGetErrorReportingFlags	Gets the current reporting behavior of Windows Runtime error functions.
RoGetMetaDataFile	Locates and retrieves the metadata file that describes the Application Binary Interface (ABI) for the specified typename.
RoGetParameterizedTypeInstanceIID	Computes the interface identifier (IID) of the interface or delegate type that results when a parameterized interface or delegate is instantiated with the specified type arguments.
RoGetServerActivatableClasses	Retrieves the activatable classes that are registered for a given executable (EXE) server, which was registered under the package ID of the calling process.
RoInitialize	Initializes the Windows Runtime on the current thread with the specified concurrency model.
RoInspectThreadErrorInfo	Gets the error object that represents the call stack at the point where the error originated
RoInspectCapturedStackBackTrace	Provides a way to for debuggers to inspect a call stack from a target process.
RoOriginateError	Reports an error and an informative string to an attached debugger.
RoOriginateErrorW	Reports an error and an informative string to an attached debugger.
RoOriginateLanguageException	Reports an error, an informative string, and an error object to an attached debugger.
RoParameterizedTypeExtraGetTypeSignature	Gets the type signature used to compute the IID from the last call to RoGetParameterizedTypeInstanceIID with the specified handle.
RoParseTypeName	Parses a type name and existing type parameters, in the case of parameterized types.
RoRegisterActivationFactories	Registers an array out-of-process activation factories for a Windows Runtime exe server.
RoRegisterForApartmentShutdown	Registers an IApartmentShutdown callback to be invoked when the current apartment shuts down.
RoReportUnhandledError	Triggers the Global Error Handler when an unhandled exception occurs.
RoReportFailedDelegate	Triggers the Global Error Handler when a delegate failure occurs.
RoResolveNamespace	Determine the direct children, types, and sub-namespaces of the specified Windows Runtime namespace, from any programming language supported by the Windows Runtime.
RoResolveRestrictedErrorInfoReference	Returns the IRestrictedErrorInfo interface pointer based on the given reference.
RoRevokeActivationFactories	Removes an array of registered activation factories from the Windows Runtime.
RoSetErrorReportingFlags	Sets the reporting behavior of Windows Runtime error functions.
RoTransformError	Reports a modified error and an informative string to an attached debugger.
RoTransformErrorW	Reports a transformed error and an informative string to an attached debugger.
RoUninitialize	Closes the Windows Runtime on the current thread.
RoUnregisterForApartmentShutdown	Unregisters a previously registered IApartmentShutdown interface.
SetRestrictedErrorInfo	Sets the restricted error information object for the current thread.
WindowsCompareStringOrdinal	Compares two specified HSTRING objects and returns an integer that indicates their relative position in a sort order.
WindowsConcatString	Concatenates two specified strings.
WindowsCreateString	Creates a new HSTRING based on the specified source string.
WindowsCreateStringReference	Creates a new string reference based on the specified string.
WindowsDeleteString	Decrements the reference count of a string buffer.
WindowsDeleteStringBuffer	Discards a preallocated string buffer if it was not promoted to an HSTRING.
WindowsDuplicateString	Creates a copy of the specified string.
WindowsGetStringLen	Gets the length, in Unicode characters, of the specified string.
WindowsGetStringRawBuffer	Gets the backing buffer for the specified string.
WindowsInspectString	Provides a way to for debuggers to display the value of an Windows Runtime HSTRING in another address space, remotely, or from a dump.
WindowsInspectString2	Provides a way to for debuggers to display the value of an Windows Runtime HSTRING in another address space, remotely, or from a dump.
WindowsIsStringEmpty	Indicates whether the specified string is the empty string.
WindowsPreallocateStringBuffer	Allocates a mutable character buffer for use in HSTRING creation.
WindowsPromoteStringBuffer	Creates an HSTRING from the specified HSTRING_BUFFER.
WindowsReplaceString	Replaces all occurrences of a set of characters in the specified string with another set of characters to create a new string.
WindowsStringHasEmbeddedNull	Indicates whether the specified string has embedded null characters.
WindowsSubstring	Retrieves a substring from the specified string. The substring starts at the specified character position.
WindowsSubstringWithSpecifiedLength	Retrieves a substring from the specified string. The substring starts at a specified character position and has a specified length.
WindowsTrimStringEnd	Removes all trailing occurrences of a specified set of characters from the source string.
WindowsTrimStringStart	Removes all leading occurrences of a specified set of characters from the source string.