The fastest way of integrating Unit Conversion and Unit System support in your MFC Apps. Unit Aware Edit Control is an extension of the MFC CEdit control implemented as a MFC extension DLL. Just replace the CEdit's in your dialog header files with CUnitAwareEditCtl's, make some additions to your dialog cpp files and to the string table. That's it!!You are done. Unit Conversion is built into your edit controls. Unit symbols (Kg, mm, etc.) are automatically displayed in the edit control. Changing unit systems (such as from English to SI) updates all the displayed values in the edit controls automatically.