In .NET, compare words, strings, streams and files with a single line of C# or VB.NET code.
Detects added, deleted, and changed lines.
Recognizes code block begin and end tags.
Case Sensitive or Insensitive Matches.
Option to ignore horizontal and vertical white space differences .
Ability to exclude textual differences by contains, starts with, ends with, or regular expressions.
Output differences to CSV Streams and Files.
Output differences to HTML Streams and Files.
Output differences to Text Streams and Files.
Output differences to DataTables.
Works with .NET 3.5 or higher.
Distribute with your application royalty free.

CompareLogic compareLogic = new CompareLogic (); //Trial Mode

//CompareLogic compareLogic = new CompareLogic("place user name here", "place license key here"); //License Mode

//Compare two files

File .WriteAllText( "original.txt" , "This line was deleted.\r\nThis line is the same.\r\nThis line is a changed." );

File .WriteAllText( "changed.txt" , "This line is the same.\r\nThis line was changed.\r\nThis line was added." );

ComparisonResult result = compareLogic.CompareFiles( "original.txt" , "changed.txt" );

//Output to HTML, also can export to CSV, or DataTable

OutputHtmlLogic outputLogic = new OutputHtmlLogic ();

outputLogic.OutputToFile(result, "CompareFilesTest.html" );

//Show the file in the browser

System.Diagnostics. Process proc = new System.Diagnostics. Process ();

proc.StartInfo.FileName = "CompareFilesTest.html" ;

proc.Start();

Only for V.I.P