ArcGIS Pro 2.7 API Reference Guide
ClearElementSelection Method (ReportView)
Example 

ArcGIS.Desktop.Reports Namespace > ReportView Class : ClearElementSelection Method
Clear all report elements in the report view.
Syntax
public void ClearElementSelection()
Public Sub ClearElementSelection() 
Example
reportView.ClearElementSelection();
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

ReportView Class
ReportView Members