FindElements Method (PresentationPage)

In This Topic

Finds the elements recursively with the given names in the presentation page.

Syntax

C#
Visual Basic (Declaration)

public IReadOnlyList<Element> FindElements( 
   IEnumerable<string> elementNames
)

Public Function FindElements( _
   ByVal elementNames As IEnumerable(Of String) _
) As IReadOnlyList(Of Element)

Parameters

elementNames: The names of the elements to find. Cannot be null

Return Value

A IList or an empty list if no elements are found

Exceptions

Exception	Description
System.ArgumentNullException	Value cannot be null: elementNames

Remarks

This method will recurse nested groups to find the given elements.

Example

Element selection and navigation

//Must be on QueuedTask
await QueuedTask.Run(() =>
{
  // Find specific elements by name
  var ge_rect = page.FindElement("Rectangle") as GraphicElement;
  var elements = new List<string>();
  elements.Add("Text");
  elements.Add("Polygon");
  var elems = page.FindElements(elements);

  //Get elements retaining hierarchy
  var top_level_elems = page.GetElements();

  //Flatten hierarchy
  var all_elems = page.GetFlattenedElements();

  //Use LINQ with any of the collections
  //Retrieve just those elements that are Visible
  var some_elems = all_elems.Where(ge => ge.IsVisible).ToList();
});

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.5 or higher.

Reference

PresentationPage Class
PresentationPage Members

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