FromDictionary<T>(Dictionary<T,HashSet<Int64>>) Method

In This Topic

Creates a MapMemberIDSet object from the dictionary of records.

Syntax

Visual Basic (Declaration)
C#

Public Overloads Shared Function FromDictionary(Of T As MapMember)( _
   ByVal dict As Dictionary(Of T,HashSet(Of Long)) _
) As MapMemberIDSet

public static MapMemberIDSet FromDictionary<T>( 
   Dictionary<T,HashSet<long>> dict
)
where T: MapMember

Parameters

dict: The collection of mapMembers and their corresponding objectIDs

Type Parameters

T

Return Value

A MapMemberIDSet

Example

Assign a set of records as Root Nodes

{
  await QueuedTask.Run(() =>
  {
    var dict = new Dictionary<MapMember, List<long>>();
    dict.Add(entityLayer, oids);
    MapMemberIDSet mmIDSet = MapMemberIDSet.FromDictionary(dict);

    MapView.Active.SetRootNodes(mmIDSet);
  });
}

Define and select a set of records as Root Nodes

{
  await QueuedTask.Run(() =>
  {
    var dict = new Dictionary<MapMember, List<long>>();
    dict.Add(entityLayer, oids);
    dict.Add(entityLayer2, oids2);
    MapMemberIDSet mmIDSet = MapMemberIDSet.FromDictionary(dict);

    MapView.Active.SelectRootNodes(mmIDSet);
  });
}

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.7 or higher.

Reference

MapMemberIDSet Class
MapMemberIDSet Members
Overload List

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