ArcGIS Pro 2.8 API Reference Guide
GetRotation Method
Example 

ArcGIS.Desktop.Layouts Namespace > Element Class : GetRotation Method
Gets the rotation value for the element. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public double GetRotation()
Public Function GetRotation() As Double

Return Value

Returns a Double
Exceptions
ExceptionDescription
This method must be called within the lambda passed to QueuedTask.Run.
Remarks
Rotation is in degrees. A positive rotation is counter-clockwise.
Example
//Modify and element's rotation value.

//Perform on the worker thread
await QueuedTask.Run(() =>
{
  double elmRot = element.GetRotation();
  elmRot = 22.5;

  element.SetRotation(elmRot); //You don't have to get to set; a shortcut would be: element.SetRotation(22.5);
});
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

Element Class
Element Members