IS57FeatureQuery Interface Reference

Properties and methods for ENCX::S57FeatureQuery. More...

import "_encxcom_encx.idl";

Inheritance diagram for IS57FeatureQuery:

[legend]

List of all members.

Public Member Functions
HRESULT	Construct ([in] IS57Manager *manager,[in] IS57CellIdentifier *cellid)
	Specify the SENC the S-57 cell to be queried.
HRESULT	SetAreaFilter ([in] IGeoRect *rect)
	Constrain to a geographical area. Default is the whole world.
HRESULT	SetFeatureFilter ([in] IS57FeatureIdentifiers *featureIds,[in] VARIANT_BOOL bInclude)
	Constrain to specific features.
HRESULT	SetObjectFilter ([in] IS57ObjectClassCollection *ObjectClassCollection,[in] VARIANT_BOOL bInclude)
	Constrain to specific types of object.
Properties
IS57FeatureIdentifiers **	Results [get]
	Obtain the collection of features that satisfy the constraints.

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Detailed Description

Properties and methods for ENCX::S57FeatureQuery.

Definition at line 2869 of file _encxcom_encx.idl.

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Member Function Documentation

HRESULT IS57FeatureQuery::Construct	(	[in] IS57Manager *	manager,
		[in] IS57CellIdentifier *	cellid
	)

Specify the SENC the S-57 cell to be queried.

HRESULT IS57FeatureQuery::SetAreaFilter

(

[in] IGeoRect *

rect

)

Constrain to a geographical area. Default is the whole world.

HRESULT IS57FeatureQuery::SetFeatureFilter	(	[in] IS57FeatureIdentifiers *	featureIds,
		[in] VARIANT_BOOL	bInclude
	)

Constrain to specific features.

An empty collection of features will allow all features. This is the default.

A non-empty collection of features can be used to include only those features in the collection, or to include only those features that are NOT in the collection.

HRESULT IS57FeatureQuery::SetObjectFilter	(	[in] IS57ObjectClassCollection *	ObjectClassCollection,
		[in] VARIANT_BOOL	bInclude
	)

Constrain to specific types of object.

An empty collection of Object Classes will allow all types of object. This is the default.

A non-empty collection of Object Classes can be used to include only those Object Classes in the collection, or to include only those Object Classes that are NOT in the collection.

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Property Documentation

IS57FeatureIdentifiers ** IS57FeatureQuery::Results [get]

Obtain the collection of features that satisfy the constraints.