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Notifies the container that one of its objects is being activated in place.
This method supports the following return values:
The container allows the in-place activation.
The call to the method unexpectedly failed.
Notes to Callers
IOleInPlaceSite::OnInPlaceActivateis called by the active embedded object when it is activated in-place for the first time. The container should note that the object is becoming active.
Notes to Implementers
A container that supports linking to embedded objects must properly manage the running of its in-place objects when they are UI-inactive and running in the hidden state. To reactivate the in-place object quickly, a container should not call IOleObject::Closeuntil the container's IOleInPlaceSite::DeactivateAndUndomethod is called. To help protect against the object being left in an unstable state if a linking client updates silently, the container should call OleLockRunningto lock the object in the running state. This prevents the hidden in-place object from shutting down before it can be saved in its container.
|Windows Embedded CE||Windows CE .NET 4.0 and later|
|Windows Mobile||Windows Mobile Version 5.0 and later|