M&M FDT 1.2.1 Online Specification
 IFdtChannelSubTopology::OnRemoveChild() method information


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4.5.4.2 IFdtChannelSubTopology::OnRemoveChild()


This method can be called in the states:              

HRESULT OnRemoveChild (
[in] BSTR childSystemTag
);


Description:
The channel is informed that a device was removed from the sub topology.

Parameters:
childSystemTagSystemTag of the child DTM which was removed


Return Value:


Behavior:
The channel is informed that a device, specified by its systemTag, was removed from the sub topology. If the DTM needs more information about the child DTM it can get the DTM via IFdtTopology::GetDtmForSystemTag() passing the received systemTag.

Comments:
This method will only be used in order to inform a parent DTM that the topology was changed. In case of destruction e.g. closing a project, this method must not be called. A DTM should release all references to the removed child before returning from OnRemoveChild()




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