To do with mfc, using dda, bresenham algorithm to generate a straight line, it is useful applets.

Straight_line\GxlDraw.sln
.............\GxlDraw.suo
.............\Dsh.suo
.............\GxlDraw.ncb
.............\.......\Cavas.cpp
.............\.......\Cavas.h
.............\.......\DrawShape.cpp
.............\.......\DrawShape.h
.............\.......\EllDlgBar.cpp
.............\.......\EllDlgBar.h
.............\.......\GxlDraw.cpp
.............\.......\GxlDraw.h
.............\.......\GxlDraw.ncb
.............\.......\GxlDraw.vcproj
.............\.......\GxlDraw.vcproj.61424C37D171472.Administrator.user
.............\.......\GxlDraw.vcproj.GXLMY-PC.gxlmyPC.user
.............\.......\GxlDrawDlg.cpp
.............\.......\GxlDrawDlg.h
.............\.......\LineDlgBar.cpp
.............\.......\LineDlgBar.h
.............\.......\ReadMe.txt
.............\.......\splash.bmp
.............\.......\Splash.cpp
.............\.......\Splash.h
.............\.......\stdafx.cpp
.............\.......\stdafx.h
.............\.......\Thumbs.db
.............\.......\GxlDraw.vcproj.HAO.Administrator.user
.............\.......\resource.h
.............\.......\GxlDraw.aps
.............\.......\GxlDraw.rc
.............\.......\Debug\BuildLog.htm
.............\.......\.....\GxlDraw.exe.embed.manifest
.............\.......\.....\vc80.idb
.............\.......\.....\GxlDraw.pch
.............\.......\.....\vc80.pdb
.............\.......\.....\stdafx.obj
.............\.......\.....\Splash.obj
.............\.......\.....\LineDlgBar.obj
.............\.......\.....\GxlDrawDlg.obj
.............\.......\.....\GxlDraw.obj
.............\.......\.....\EllDlgBar.obj
.............\.......\.....\GxlDraw.res
.............\.......\.....\GxlDraw.exe.embed.manifest.res
.............\.......\.....\GxlDraw.exe.intermediate.manifest
.............\.......\.....\mt.dep
.............\.......\res\GxlDraw.ico
.............\.......\...\GxlDraw.rc2
.............\.......\...\toolbar1.bmp
.............\.......\...\Thumbs.db
.............\.......\...\2.BMP
.............\debug\GxlDraw.ilk
.............\.....\GxlDraw.exe
.............\.....\GxlDraw.pdb
.............\GxlDraw\Debug
.............\.......\res
.............\GxlDraw
.............\debug
Straight_line

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