.CS File Extension
File Type 1Visual C# Source Code File
A CS file is a source code file written in C# (pronounced "C Sharp"), an object-oriented programming language created by Microsoft for use with the .NET Framework. The file is used for developing a range of applications, from simple desktop programs to applications for distributed environments.
CS files are often edited with Visual C#, a component of Microsoft Visual Studio. But, they can also be edited with a variety of other source code editors that feature syntax highlighting as well.
NOTE: When C# programs are compiled, they can then be run by the Common Language Runtime (CLR), which is included with the .NET Framework.
File Type 2CLEO Custom Script
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
Custom script written for CLEO 3, a third-party scripting engine for Grand Theft Auto: San Andreas (GTA SA); allows players to expand the capabilities of the game using custom functions called "opcodes;" may be created with Sanny Builder, a GTA mod utility.
In order to use a CS file with GTA SA, it must be stored in the "game\CLEO" folder.
File Type 3ColorSchemer Studio Color Scheme
This file is saved in a binary format, which requires a specific program to read its contents.
File created by ColorSchemer Studio, a program used for developing color palettes for websites, magazines, home decoration, and other target mediums; saves the user's color schemes, which often contain complementary colors that are matched with one another on the color spectrum.