A source file or compiled file that defines the resources that are used by an application. IBM C/C++ Compilers recognizes uncompiled resource files by the file extension .rc. A compiled resource file has the extension .res.
A file in a Visual Basic project with an .res file name extension that can contain bitmaps, text strings, or other data. By storing this data in a separate file, you can change the information without editing your code. Only one resource file can be associated with a project. .
A resource is a piece of data-a string, a bitmap, a sound file-that is compiled along with your control or VB application. You use resources to avoid having to refer to files on disk; instead, the file resides in the compiled EXE (or OCX) you distribute to users. You create resource files using a resource compiler.