ArcGIS Pro 2.6 API Reference Guide
OpenAsync Method (EmbeddableControl)

ArcGIS.Desktop.Framework.Controls Namespace > EmbeddableControl Class : OpenAsync Method
Occurs when the control is hosted.
Syntax
public virtual Task OpenAsync()
Public Overridable Function OpenAsync() As Task
Remarks
Leaf classes should override this function if they need to perform any asynchronous initialization.
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

EmbeddableControl Class
EmbeddableControl Members