IHostAssemblyStore::ProvideAssembly Method
Gets a reference to an assembly that is not referenced by the ICLRAssemblyReferenceList that is returned from IHostAssemblyManager::GetNonHostStoreAssemblies. The common language runtime (CLR) calls ProvideAssembly
for each assembly that does not appear in the list.
Syntax
HRESULT ProvideAssembly (
[in] AssemblyBindInfo *pBindInfo,
[out] UINT64 *pAssemblyId,
[out] UINT64 *pHostContext,
[out] IStream **ppStmAssemblyImage,
[out] IStream **ppStmPDB
);
Parameters
pBindInfo
[in] A pointer to an AssemblyBindInfo instance that the host uses to determine certain bind characteristics, including the presence or absence of any versioning policy, and which assembly to bind to.
pAssemblyId
[out] A pointer to a unique identifier for the requested assembly for this IStream
.
pHostContext
[out] A pointer to host-specific data that is used to determine the evidence of the requested assembly without the need of a platform invoke call. pHostContext
corresponds to the HostContext property of the managed Assembly class.
ppStmAssemblyImage
[out] A pointer to the address of an IStream
that contains the portable executable (PE) image to be loaded, or null if the assembly could not be found.
ppStmPDB
[out] A pointer to the address of an IStream
that contains the program debug (PDB) information, or null if the .pdb file could not be found.
Return Value
HRESULT | Description |
---|---|
S_OK | ProvideAssembly returned successfully. |
HOST_E_CLRNOTAVAILABLE | The CLR has not been loaded into a process, or the CLR is in a state in which it cannot run managed code or process the call successfully. |
HOST_E_TIMEOUT | The call timed out. |
HOST_E_NOT_OWNER | The caller does not own the lock. |
HOST_E_ABANDONED | An event was canceled while a blocked thread or fiber was waiting on it. |
E_FAIL | An unknown catastrophic failure occurred. When a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE. |
COR_E_FILENOTFOUND (0x80070002) | The requested assembly could not be located. |
E_NOT_SUFFICIENT_BUFFER | The buffer size specified by pAssemblyId is not large enough to hold the identifier that the host wants to return. |
Remarks
The identity value returned for pAssemblyId
is specified by the host. Identifiers must be unique within the lifetime of a process. The CLR uses this value as a unique identifier for the stream. It checks each value against the values for pAssemblyId
returned by other calls to ProvideAssembly
. If the host returns the same pAssemblyId
value for another IStream
, the CLR checks whether the contents of that stream have already been mapped. If so, the runtime loads the existing copy of the image instead of mapping a new one.
Requirements
Platforms: See System Requirements.
Header: MSCorEE.h
Library: Included as a resource in MSCorEE.dll
.NET Framework Versions: Available since 2.0
See also
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