ArcGIS Runtime SDK for WPF - Library Reference
UnionTaskAsync(IList<Graphic>,CancellationToken) Method
See Also

Visual Basic (Declaration)
C#

geometries: A collection of points, multipoints, polylines or polygons. The input types cannot be mixed.

This operation constructs the set-theoretic union of the geometries in the input collection. All inputs must be of the same type.

Syntax

Visual Basic (Declaration)
Public Overloads Function UnionTaskAsync( _ ByVal geometries As IList(Of Graphic), _ ByVal cancellationToken As CancellationToken _ ) As Task(Of UnionResult)

C#
public Task<UnionResult> UnionTaskAsync( IList<Graphic> geometries, CancellationToken cancellationToken )

geometries: A collection of points, multipoints, polylines or polygons. The input types cannot be mixed.
cancellationToken: The cancellation token.

Requirements

Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family, Windows 7, Windows 8