VCLSkin is an VCL library that extend Delphi application with skinnable user interface . Unlike other skin component that you must modify source code to build skinnable application, VCLskin can skin existing application using VCL components without source code modified.VclSkin automatically skin kinds of windows in application, include Delphi forms,MDIform and common Windows dialogs (MsgBox,Open/Save,Font,Print), even the Exception MsgBox.Vclskin not only support Delphi standard controls, but also support many third-party component, such as TMS Grid pack, EnLib Grid, Developer Express QuantumGrid. It is an excellent choice for those wanting to skin existing applications. The cool thing is that it uses existing VCL components. Demo version adds a string 'VclSkin demo' on form caption, but allows to test all available functions.