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Leadtools.Medical.Storage.DataAccessLayer Namespace > Classes > StorageDbDataAccessAgent > Methods > QueryCompositeInstancesAsync Method
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QueryCompositeInstancesAsync Method (StorageDbDataAccessAgent)
Summary
Asynchronously performs a query to find the composite instance information with the specified matching parameters.
Syntax
public virtual bool QueryCompositeInstancesAsync(MatchingParameterCollection matchingEntitiesCollection,QueryPageInfo queryPageInfo)
Public Overridable Function QueryCompositeInstancesAsync(ByVal matchingEntitiesCollection As MatchingParameterCollection,ByVal queryPageInfo As QueryPageInfo) As Boolean
public:virtual bool QueryCompositeInstancesAsync(MatchingParameterCollection^ matchingEntitiesCollection,QueryPageInfo^ queryPageInfo)
Parameters
matchingEntitiesCollection
A MatchingParameterCollection which includes the matching parameters for the query.
queryPageInfo
Type: QueryPageInfo
Specifies the page number and page size that will result from the executing the query.
Return Value
true if query is successfully being performed, false if the query was already being executed
Remarks
This is an asynchronous version of QueryCompositeInstances that can optionally paginate the results (via QueryPageInfo. The QueryCompositeInstancesStarting event will be fired immediately upon a successful call to QueryCompositeInstancesAsync. When completed, the QueryCompositeInstancesCompletedis fired. To cancel execution, call the CancelQueryCompositeInstancesAsync method.
The matchingEntitiesCollection can be from any level and they are not limited to the Composite instance level. Which means you can query for Composite instance using the Patient ID in the patient level or study Instance UID in the study level.
This method will include all the information for the patient, study and series and Composite instance levels.
For more information about the tables returned for the patient level see the QueryPatients method. For more information about the tables returned for the study level see the QueryStudies method. For more information about the tables returned for the series level see the QuerySeries method.
The following tables in the CompositeInstanceDataSet will contain the Composite instance information: Instance, ImageInstance and ReferencedImages.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Medical.Storage.DataAccessLayer Assembly
