isVirtual method
When true
the content can be received through getVirtualFileReceiver.
On macOS and Windows if isVirtual is true
the content can only be
received through getVirtualFileReceiver - getDataForFormat will return
null
.
Implementation
Future<bool> isVirtual(String format) {
return ReaderManager.instance.canGetVirtualFile(_handle, format: format);
}