FreePCB a good open source PCB design software, using MFC to prepare, you can VC++. Net compiler directly passed, studying industrial software are an excellent example of the preparation.

FreePCB
.......\afxasert.cpp
.......\changelog.txt
.......\Debug
.......\.....\default.cfg
.......\.....\Hershey.smf
.......\.....\Hershey.xtb
.......\default_font.txt
.......\DesignRules.cpp
.......\DesignRules.h
.......\DisplayList.cpp
.......\DisplayList.h
.......\DlgAddArea.cpp
.......\DlgAddArea.h
.......\DlgAddMaskCutout.cpp
.......\DlgAddMaskCutout.h
.......\DlgAddNet.cpp
.......\DlgAddNet.h
.......\DlgAddPart.cpp
.......\DlgAddPart.h
.......\DlgAddPin.cpp
.......\DlgAddPin.h
.......\DlgAddPoly.cpp
.......\DlgAddPoly.h
.......\DlgAddText.cpp
.......\DlgAddText.h
.......\DlgAddText_old.cpp
.......\DlgAddWidth.cpp
.......\DlgAddWidth.h
.......\DlgAreaLayer.cpp
.......\DlgAreaLayer.h
.......\DlgAssignNet.cpp
.......\DlgAssignNet.h
.......\DlgCAD.cpp
.......\DlgCAD.h
.......\DlgCentroid.cpp
.......\DlgCentroid.h
.......\DlgChangeLayer.cpp
.......\DlgChangeLayer.h
.......\DlgChooseNetName.cpp
.......\DlgChooseNetName.h
.......\DlgDRC.cpp
.......\DlgDRC.h
.......\DlgDupFootprintName.cpp
.......\DlgDupFootprintName.h
.......\DlgEditBoardCorner.cpp
.......\DlgEditBoardCorner.h
.......\DlgEditNet.cpp
.......\DlgEditNet.h
.......\DlgExportDsn.cpp
.......\DlgExportDsn.h
.......\DlgFindPart.cpp
.......\DlgFindPart.h
.......\DlgFpRefText.cpp
.......\DlgFpRefText.h
.......\DlgFpText.cpp
.......\DlgFpText.h
.......\DlgGlue.cpp
.......\DlgGlue.h
.......\DlgGroupPaste.cpp
.......\DlgGroupPaste.h
.......\DlgHole.cpp
.......\DlgHole.h
.......\DlgImportFootprint.cpp
.......\DlgImportFootprint.h
.......\DlgImportOptions.cpp
.......\DlgImportOptions.h
.......\DlgImportSes.cpp
.......\DlgImportSes.h
.......\DlgIndexing.cpp
.......\DlgIndexing.h
.......\DlgIvex.cpp
.......\DlgIvex.h
.......\DlgLayers.cpp
.......\DlgLayers.h
.......\DlgLibraryManager.cpp
.......\DlgLibraryManager.h
.......\DlgLog.cpp
.......\DlgLog.h
.......\DlgMoveOrigin.cpp
.......\DlgMoveOrigin.h
.......\DlgMyMessageBox.cpp
.......\DlgMyMessageBox.h
.......\DlgMyMessageBox2.cpp
.......\DlgMyMessageBox2.h
.......\DlgNetCombine.cpp
.......\DlgNetCombine.h
.......\DlgNetlist.cpp
.......\DlgNetlist.h
.......\DlgPadFlags.cpp
.......\DlgPadFlags.h
.......\DlgPartlist.cpp
.......\DlgPartlist.h
.......\DlgProjectOptions.cpp
.......\DlgProjectOptions.h
.......\DlgReassignLayers.cpp
.......\DlgReassignLayers.h
.......\DlgRefText.cpp
.......\DlgRefText.h
.......\DlgReport.cpp

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