ComponentOne, the largest component vendor in the Microsoft Visual Studio Partner Ecosystem, brings you a spreadsheet control for the Windows Store. This demo showcases the ComponentOne Spread for WinRT control which provides powerful and unique functionality to help you build better and more compelling Windows Store apps. Spread for WinRT control is a comprehensive spreadsheet component for Windows Store applications that combines grid capabilities and spreadsheet functionality. Cross-sheet referencing allows calculations to make use of data and formulas on a variety of sheets. The GcSpreadSheet component may be dropped on a Windows Store Application Form and customized for a range of applications. You can customize the appearance of the control and control the user interaction experience in a variety of ways. With a built-in Designer, you can quickly create a prototype or customize your finished design. Import and export capabilities provide another source of flexibility when developing and exchanging designs. Spread for WinRT control can handle data from text files as well as multiple spreadsheets from Microsoft Excel files. The GcSpreadSheet control consists of a workbook that contains a collection of worksheets. The worksheet contains information about a sheet and has column header, row header, column footer, and viewport sections.