public ExcelCalcErrorValue ToErrorValue()
This method returns an ExcelCalcErrorValue whose error code is set this instance's error code.
If there this instance does not contain an error, a ExcelCalcErrorValue containing a default value is returned
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+