ArcGIS Pro 2.6 API Reference Guide
BackgroundColor Property (MapControlContent)

ArcGIS.Desktop.Mapping.Controls Namespace > MapControlContent Class : BackgroundColor Property
Gets and sets the background color for the MapControl. This property only applies to layer and item content.
Syntax
public CIMColor BackgroundColor {get; set;}
Public Property BackgroundColor As CIMColor
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

MapControlContent Class
MapControlContent Members