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

int32_t DSSProgressI(int32_t Parameter, int32_t Argument);

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

Parameter 0: DSSProgress.PctProgress

This parameter sets the percent progress to indicate [0..100].

Parameter 1: DSSProgress.Show

This parameter shows progress form with null caption and progress set to zero.

Parameter 2: DSSProgress.Close

This parameter closes (hides) DSS Progress form.