4 Protocol Examples
The following list shows the sequence of Device Session Property Access Protocol messages that pass over the wire after the host computer and client device have established a connection.
Figure 3: DSPA Protocol sequence diagram
The host sends the SetStringProperty message.
The client responds with S_OK when the property exists.
The host sends the GetStringProperty message.
The client responds with S_OK when the property exists.
The host sends the SetDWORDProperty message.
The client responds with S_OK when the property exists.
The host sends the GetDWORDProperty message.
The client responds with S_OK when the property exists.