ArcGIS Pro 2.6 API Reference Guide
GetBookmarks Method (ProjectExtender)
Example 

ArcGIS.Desktop.Core Namespace > ProjectExtender Class : GetBookmarks Method
Returns the project's collection of bookmarks. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
Public Shared Function GetBookmarks( _
   ByVal project As Project _
) As ReadOnlyObservableCollection(Of Bookmark)

Parameters

project

Return Value

The collection of bookmarks for the project.
Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Example
Get the collection of bookmarks for the project.
public Task<ReadOnlyObservableCollection<Bookmark>> GetProjectBookmarksAsync()
{
  //Get the collection of bookmarks for the project.
  return QueuedTask.Run(() => Project.Current.GetBookmarks());
}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

ProjectExtender Class
ProjectExtender Members