AutoCAD Map 3D 2009 Geospatial Platform Reference

From AutoCAD Map 3D Geospatial Platform API

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MgFeatureQueryOptions

AddComputedProperty

AddFeatureProperty

MgFeatureQueryOptions

RemoveComputedProperty

RemoveFeatureProperty

void MgFeatureQueryOptions::SetOrderingFilter	(	MgStringCollection *	orderByProperties,
		INT32	orderOption
	)

Use this method to specify the order (ascending or descending) in which the selected features are returned.

.NET Syntax

void SetOrderingFilter(MgStringCollection orderByProperties, int orderOption);

Java Syntax

void SetOrderingFilter(MgStringCollection orderByProperties, int orderOption);

PHP Syntax

void SetOrderingFilter(MgStringCollection orderByProperties, int orderOption);

Parameters:

	orderByProperties	(MgStringCollection) The collection of properties to which the ordering option specified in the second parameter is applied.
	orderOption	(int) The ordering option, MgOrderingOption::Ascending or MgOrderingOption::Descending.

Returns:: Nothing

Example (PHP) aDouble is a double property. anInt32Key is the identity property. The first example returns aDouble values in ascending order, and the second example returns them in descending order.

 <?php
 $queryOptions->AddFeatureProperty("aDouble");
 $queryOptions->AddFeatureProperty("anInt32Key");
 $stringCollection->Add("aDouble");
 $queryOptions->SetOrderingFilter($stringCollection, MgOrderingOption::Ascending);
 $featureService->SelectFeatures($featureSrcResourceId, $featClassName, $queryOptions);
 $queryOptions->SetOrderingFilter($stringCollection, MgOrderingOption::Descending);
 $featureService->SelectFeatures($featureSrcResourceId, $featClassName, $queryOptions);
 ?>
 sqlplus> select anint32key,adouble from universalclassxy order by adouble ASC;
 sqlplus> select anint32key,adouble from universalclassxy order by adouble DESC;

Exceptions:

MgInvalidArgumentException

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