Use PEGetNParameterCurrentValues to determine the number of values currently stored in the specified parameter field of a report. See Working with Parameter Values and Ranges.
short CRPE_API PEGetNParameterCurrentValues (
short printJob,
const char FAR *parameterFieldName,
const char FAR *reportName );
Regarding parameter reportName:
Declare Function PEGetNParameterCurrentValues Lib "crpe32.dll" ( _
ByVal printJob As Integer, ByVal parameterFieldName As String, _
ByVal reportName As String ) As Integer
function PEGetNParameterCurrentValues
printJob: smallint;
const parameterFieldName: PChar;
const reportName: PChar
): Word stdcall;
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