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NF:ocidl.IPropertyNotifySink.OnChanged |
IPropertyNotifySink::OnChanged (ocidl.h) |
Notifies a sink that a bindable property has changed. |
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com\ipropertynotifysink_onchanged.htm |
com |
71ab5206-5127-45f1-a2b5-3fbcc867d678 |
12/05/2018 |
IPropertyNotifySink interface [COM],OnChanged method, IPropertyNotifySink.OnChanged, IPropertyNotifySink::OnChanged, OnChanged, OnChanged method [COM], OnChanged method [COM],IPropertyNotifySink interface, _ctrl_ipropertynotifysink_onchanged, com.ipropertynotifysink_onchanged, ocidl/IPropertyNotifySink::OnChanged |
ocidl.h |
Windows |
Windows 2000 Professional [desktop apps only] |
Windows 2000 Server [desktop apps only] |
OCIdl.idl |
Windows |
19H1 |
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Notifies a sink that a bindable property has changed.
The dispatch identifier of the property that changed, or DISPID_UNKNOWN if multiple properties have changed. The client (owner of the sink) should retrieve the current value of each property of interest from the object that generated the notification.
This method returns S_OK in all cases.
S_OK is returned in all cases even when the sink does not need [bindable] properties or when some other failure has occurred. In short, the calling object simply sends the notification and cannot attempt to use an error code (such as E_NOTIMPL) to determine whether to not send the notification in the future. Such semantics are not part of this interface.