Saves Edit in the specified file in the specified format.
function ExportToFile(Edit: TCustomRichViewEdit; const FileName: TRVUnicodeString;
ExportFormat: TrvFileExportFilter; ConverterOrCustomIndex: Integer;
rvc: TRVOfficeConverter): Boolean;
Edit – editor for saving.
FileName – file name for saving.
FileFormat – file format for saving.
CustomFilterIndex used only if FileFormat is ffeCustom or ffeOfficeConverters.
If FileFormat = ffeCustom, CustomFilterIndex identifies a custom file format. Custom formats are numbered from 1 in the order they are listed in the CustomFilter property.
If FileFormat = ffeOfficeConverters, CustomFilterIndex identifies a format supported by Microsoft Office file export converters. Formats are numbered from 0. A list of these formats and their order are different on different computers. This is the index in rvc.ExportConverters collection.
If saving is unsuccessful, an error message is displayed.
True if the saving was successful.