What WGI? WGI is doing what MFC has done, to encapsulate API, BUT WGI uses OIOIC, instead of C++.
to download WGI 1.0.2 source code:
Downloads - oic-wgi - Project Hosting on Google Code
node WDialog ---> corresponding MFC's CDialog
node WMenu ---> corresponding MFC's CMenu
node WButton ---> corresponding MFC's CButton
node WStatic ---> corresponding MFC's CStatic
node WEdit ---> corresponding MFC's CEdit and CIPAddressCtrl
node WScrollBar ---> corresponding MFC's CScrollBar
node WSlider ---> corresponding MFC's CSlider and CProgressCtrl
node WComboBox ---> corresponding MFC's CComboBox and CComboBoxEx
other are base node.