ArcGIS Pro 2.8 API Reference Guide
IsChecked Property (Button)

ArcGIS.Desktop.Framework.Contracts Namespace > Button Class : IsChecked Property
Gets or sets whether the Button is checked.
Syntax
public bool IsChecked {get; set;}
Public Property IsChecked As Boolean
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

Button Class
Button Members