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IMetaDataImport::ResolveTypeRef method

Resolves a Type reference represented by the specified TypeRef token.

Syntax

C++


HRESULT ResolveTypeRef(
  [in]          mdTypeRef tkTypeRef,
  [in]          REFIID    riid,
  [out]         IUnknown  **ppIScope,
  [out, retval] mdTypeDef *ptkTypeDef
);

Parameters

tkTypeRef [in]: The TypeRef metadata token to return the referenced type information for.
riid [in]: The IID of the interface to return in ppIScope. Typically, this would be IID_IMetaDataImport.
ppIScope [out]: An interface to the module scope in which the referenced type is defined.
ptkTypeDef [out, retval]: A pointer to a TypeDef token that represents the referenced type.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Important Do not use this method if multiple application domains are loaded. The method does not respect application domain boundaries. If multiple versions of an assembly are loaded, and they contain the same type with the same namespace, the method returns the module scope of the first type it finds.

The ResolveTypeRef method searches for the type definition in other modules. If the type definition is found, ResolveTypeRef returns an interface to that module scope as well as the TypeDef token for the type.

If the type reference to be resolved has a resolution scope of AssemblyRef, the ResolveTypeRef method searches for a match only in the metadata scopes that have already been opened with calls to either the IMetaDataDispenser::OpenScope method or the IMetaDataDispenser::OpenScopeOnMemory method. This is because ResolveTypeRef cannot determine from only the AssemblyRef scope where on disk or in the global assembly cache the assembly is stored.

Requirements

IDL	Rometadataapi.idl