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ICLRTask::SwitchIn Method

Notifies the common language runtime (CLR) that the task that the current ICLRTask instance represents is now in an operable state.

HRESULT SwitchIn (
    [in] HANDLE threadHandle
);

threadHandle

[in] A handle to the physical thread on which the task represented by the current ICLRTask instance is executing.

HRESULT

Description

S_OK

SwitchIn 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.

HOST_E_INVALIDOPERATION

SwitchIn was called without an earlier call to ICLRTask::SwitchOut Method.

The threadHandle parameter represents a handle to the operating system thread on which the task represented by the current ICLRTask instance has been scheduled. If impersonation has occurred on this thread, you must call IHostSecurityManager::RevertToSelf before switching in the task.

NoteNote

A call to SwitchIn without an earlier call to SwitchOut fails with an HRESULT value of HOST_E_INVALIDOPERATION.

Platforms: See .NET Framework System Requirements.

Header: MSCorEE.h

Library: Included as a resource in MSCorEE.dll

.NET Framework Versions: 4, 3.5 SP1, 3.5, 3.0 SP1, 3.0, 2.0 SP1, 2.0

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