The optional, application-implemented IWMDMProgress3 interface extends IWMDMProgress2 by providing additional input parameters to specify which event is being monitored, and to allow for context-specific information.
Applications that implement this callback interface should provide an implementation for methods corresponding to IWMDMProgress and IWMDMProgress2 for backward compatibility, in addition to the new methods.
The IWMDMProgress3 interface inherits from IWMDMProgress. IWMDMProgress3 also has these types of members:
The IWMDMProgress3 interface has these methods.
Indicates that an operation is about to begin.
Indicates that an operation is finished.
Indicates the status of an action in progress.