Unfortunately, this is too much complicated condition. It is not possible to do it by using wildcard patterns only.

Moreover you want to achieve a special task: transfer file without persisting original file hierarchy (you want to upload all files from different directories to a single target directory '/myServer' all together). This is not possible to do it in current version, but it is a reasonable behaviour, so we will probably add it to one of the future versions.

For now you have to split the task into multiple batch transfers. The given example can be achieved like this:

ftp.PutFiles("c:\ForUpload\1\File_*_Full.*", "/myServer", FtpBatchTransferOptions.Default);
ftp.PutFiles("c:\ForUpload\2\File_*_Full.*", "/myServer", FtpBatchTransferOptions.Default);
ftp.PutFiles("c:\ForUpload\FileIndex.xml", "/myServer", FtpBatchTransferOptions.Default);

This will transfer the 'c:\ForUpload\FileIndex.xml' file and all files (which name suits the pattern File_*_Full.*) from the 'c:\ForUpload\1' and 'c:\ForUpload\2' directories. Please note that this also transfer files like 'c:\ForUpload\1\File_5_Full.txt' (all file extensions meet the file name check).