Compare Files component (text files and folders)
EditByBSEditor: Compare Files X is a royalty free, robust and powerful comparison component in reusable ActiveX form. Instantly add a Compare Files and/or a Compare Folder feature to your program! With Compare Files X its as easy as dropping a component onto your form. NOTE: If you need a document (PDF, DOC, XLS, RTF) comparison ActiveX, see Diff Doc.

A key feature of this diff ActiveX is that it runs on a separate thread allowing the end users application to continue functioning in a responsive manner.
CompareFileX Features
A key feature of this diff component is that it runs on a separate thread allowing the end users application to continue functioning in a responsive manner. Thread priority can be set from IDLE to time CRITICAL.
Report creation is built in (HTML, Text, and CSV)
The code required to integrate this component in an application is very small.
Many compare attributes are persistent across running of the end users application automatically. This means that the compare criteria remains intact across runs of the end user鈥檚 application. Persistent items include:
i)DirShowOnlyInMaster,DirShowOnlyInMaster,DirShowOnlyInSource, DirShowSameInBothPlaces,DirShowSameInBothPlaces, DirShowDifferentInBothPlaces,DirShowDifferentInBothPlaces, DirDoSubDirectories , DirDoSubDirectories, DirSource, DirSource, DirMaster, DirMaster, DirFileTypes

ii)FileIgnoreCase锛孎ileIgnoreCase, FileIgnoreWhiteSpace, FileIgnoreWhiteSpace, FileIgnoreEmptyLines,FileIgnoreEmptyLines,FileQuickCompare,FileQuickCompare, FileSource, FileSource, FileMaster
new:
Compare Directories. Case of directories no longer all Upper
FileCompareCreateReport() Method added to automate the process of HTML, TEXT, or CSV report creation for file comparisons
ReportFileTitle, ReportFileMaster and ReportFileSource properties added to support CompareFile Report creation.
FileCompareNumAdditions, FileCompareNumChanges, FileCompareNumDeletions properties added. These properties are valid after a file compar you can free download CompareFilesX 1.65 now.