<strong>C</strong># sour<strong>C</strong>e <strong>C</strong>ode to insert re<strong>C</strong>tangle into Ex<strong>C</strong>el on .NET Framework, .NET <strong>C</strong>ore, Mono or Xamarin Platforms....Products Aspose.Cells .NET Shapes INSERT-RECTANGLE to EXCEL Shapes...XLSX Insert rectangle into Excel via .NET Insert objects using...