AcMapDMRasterElement:: EvaluateExpressionValues Method
Evaluates two expressions against the objects that meet the acquisition criteria.
virtual Acad::ErrorStatus EvaluateExpressionValues( AcArray<AcMapValue*>& arValues1, AcArray<AcMapValue*>& arValues2, const ACHAR* kpszExpression1, AcMap::EDataType kDataType1, const ACHAR* kpszExpression2, AcMap::EDataType kDataType2 );
Parameters |
Description |
arValues1 |
Output array of evaluated values. |
arValues2 |
Output array of evaluated values. |
kpszExpression1 |
Input expression to evaluate. |
kDataType1 |
Input return data type expected. |
kpszExpression2 |
Input expression to evaluate. |
kDataType2 |
Input return data type expected. |
Returns
Returns Acad::eOk if successful; otherwise, returns a different error code.
Remarks
In the case of query elements, objects are not cloned and the expressions are evaluated against the original objects. If the expressions are not applicable to an entity (the .AREA for a line, for example), the result for this entity has type AcMap::kUnknownType.
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