API Demos (Delphi) Overview This section contains demos for reading and writing Excel files using the native FlexCel engine. In this section Getting started Advanced API Chart API Reading Excel files Working in virtual mode Reading and writing encrypted files Copy and paste Intelligent page breaks Validating FlexCel recalculation Recalculation of linked files Excel user defined functions (UDF) Consolidating files Creating pdf files with the PDF API Handling non-fatal errors