SetSingleValue
(
IMetadataProvider oEdgeOrVertex,
String sKey,
Nullable<Single> oValue,
INumericValueConverter oNumericValueConverter
)
{
Debug.Assert(oEdgeOrVertex != null);
Debug.Assert( !String.IsNullOrEmpty(sKey) );
Debug.Assert(oNumericValueConverter != null);
AssertValid();
if (oValue.HasValue)
{
oEdgeOrVertex.SetValue( sKey,
oNumericValueConverter.WorkbookToGraph(oValue.Value) );
}
}
GetInitialSingleAttributeValue
(
ICollection<IMetadataProvider> oSelectedEdgesOrVertices,
String sKey,
INumericValueConverter oNumericValueConverter
)
{
Debug.Assert(oSelectedEdgesOrVertices != null);
Debug.Assert( !String.IsNullOrEmpty(sKey) );
Debug.Assert(oNumericValueConverter != null);
// AssertValid();
Nullable<Single> fInitialValue =
GetInitialStructAttributeValue<Single>(
oSelectedEdgesOrVertices, sKey);
if (!fInitialValue.HasValue)
{
return (null);
}
return ( oNumericValueConverter.GraphToWorkbook(
fInitialValue.Value) );
}
