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IAppDomainHelper::DoCallback method (comsvcs.h)

  • Article

Switches into a given application domain (which the calling object must be bound to), executes the supplied callback function in that application domain, and then returns to the original application domain.

Syntax

HRESULT DoCallback(
  [in] IUnknown            *pUnkAD,
       HRESULT()(void *pv) __MIDL__IAppDomainHelper0001,
  [in] void                *pPool
);

Parameters

[in] pUnkAD

Reference to the IUnknown of the application domain that you want to switch to. The object calling DoCallback must be bound to that application domain.

__MIDL__IAppDomainHelper0001

Reference to the callback function. This function is executed in the application domain that you switched to. The parameter of this function, pv, comes from the pPool parameter, which is defined next.

[in] pPool

This parameter is used to provide any data that the callback function might need.

Return value

This method can return the standard return values E_INVALIDARG, E_OUTOFMEMORY, E_UNEXPECTED, E_FAIL, and S_OK.

Requirements

Requirement Value
Minimum supported client Windows XP with SP1 [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header comsvcs.h

See also

IAppDomainHelper