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-- File: MDataStd_ExpressionRetrievalDriver.cdl
-- Created: Thu Aug 7 17:13:40 1997
-- Author: PASCAL Denis
---Copyright: Matra Datavision 1997
class ExpressionRetrievalDriver from MDataStd inherits ARDriver from MDF
---Purpose:
uses RRelocationTable from MDF,
Attribute from PDF,
Attribute from TDF,
MessageDriver from CDM
is
Create(theMessageDriver : MessageDriver from CDM) -- Version 0
returns mutable ExpressionRetrievalDriver from MDataStd;
VersionNumber(me) returns Integer from Standard;
---Purpose: Returns the version number from which the driver
-- is available: 0.
SourceType(me) returns Type from Standard;
---Purpose: Returns the type: Expression from PDataStd.
NewEmpty (me) returns mutable Attribute from TDF;
Paste(me;
Source : Attribute from PDF;
Target : mutable Attribute from TDF;
RelocTable : RRelocationTable from MDF);
end ExpressionRetrievalDriver;
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