A .Net language, such as VisualAPL, can access ActiveX objects such as Microsoft Excel. The attached pdf-format document illustrates the basic procedures to automate Excel with VisualAPL.
Automating Excel means that VisualAPL creates an instance of Microsoft Excel and uses VisualAPL program statements to manipulate the Excel object model.
The Excel object model includes workbooks, worksheets, cells, cell ranges, etc.