This interface can be used to read/write certain properties of the active DSS object. The structure of the interface is as follows:

CStr DSSProgressS(int32_t Parameter, CStr Argument);

This interface returns a string with the result of the query according to the value of the variable Parameter, which can be one of the following:

Parameter 0: DSSProgress.Caption

This parameter sets the caption to appear on the bottom of the DSS Progress form.