MFC窗口透明显示，并能画线

[{"title":"（ 42 个子文件 3.5MB ） MFC窗口透明显示，并能画线","children":[{"title":"test","children":[{"title":"test.opt <span style='color:#111;'> 53.50KB </span>","children":null,"spread":false},{"title":"test.h <span style='color:#111;'> 1.30KB </span>","children":null,"spread":false},{"title":"StdAfx.cpp <span style='color:#111;'> 206B </span>","children":null,"spread":false},{"title":"test.plg <span style='color:#111;'> 707B </span>","children":null,"spread":false},{"title":"test.ncb <span style='color:#111;'> 65.00KB </span>","children":null,"spread":false},{"title":"testView.cpp <span style='color:#111;'> 3.03KB </span>","children":null,"spread":false},{"title":"test.cpp <span style='color:#111;'> 4.08KB </span>","children":null,"spread":false},{"title":"test.clw <span style='color:#111;'> 2.14KB </span>","children":null,"spread":false},{"title":"testDoc.cpp <span style='color:#111;'> 1.66KB </span>","children":null,"spread":false},{"title":"MainFrm.h <span style='color:#111;'> 1.57KB </span>","children":null,"spread":false},{"title":"test.rc <span style='color:#111;'> 10.27KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"testDoc.sbr <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"test.exe <span style='color:#111;'> 116.06KB </span>","children":null,"spread":false},{"title":"vc60.pdb <span style='color:#111;'> 356.00KB </span>","children":null,"spread":false},{"title":"test.sbr <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"MainFrm.sbr <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"testView.sbr <span style='color:#111;'> 3.75KB </span>","children":null,"spread":false},{"title":"vc60.idb <span style='color:#111;'> 209.00KB </span>","children":null,"spread":false},{"title":"testView.obj <span style='color:#111;'> 23.79KB </span>","children":null,"spread":false},{"title":"test.res <span style='color:#111;'> 7.06KB </span>","children":null,"spread":false},{"title":"test.pdb <span style='color:#111;'> 457.00KB </span>","children":null,"spread":false},{"title":"test.ilk <span style='color:#111;'> 384.25KB </span>","children":null,"spread":false},{"title":"test.pch <span style='color:#111;'> 6.61MB </span>","children":null,"spread":false},{"title":"MainFrm.obj <span style='color:#111;'> 21.04KB </span>","children":null,"spread":false},{"title":"StdAfx.obj <span style='color:#111;'> 103.17KB </span>","children":null,"spread":false},{"title":"test.bsc <span style='color:#111;'> 3.01MB </span>","children":null,"spread":false},{"title":"StdAfx.sbr <span style='color:#111;'> 1.31MB </span>","children":null,"spread":false},{"title":"test.obj <span style='color:#111;'> 22.25KB </span>","children":null,"spread":false},{"title":"testDoc.obj <span style='color:#111;'> 14.28KB </span>","children":null,"spread":false}],"spread":false},{"title":"ReadMe.txt <span style='color:#111;'> 4.16KB </span>","children":null,"spread":false},{"title":"StdAfx.h <span style='color:#111;'> 1.03KB </span>","children":null,"spread":false},{"title":"MainFrm.cpp <span style='color:#111;'> 3.07KB </span>","children":null,"spread":false},{"title":"Resource.h <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"testView.h <span style='color:#111;'> 1.91KB </span>","children":null,"spread":false},{"title":"testDoc.h <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"test.dsp <span style='color:#111;'> 4.41KB </span>","children":null,"spread":false},{"title":"res","children":[{"title":"test.rc2 <span style='color:#111;'> 396B </span>","children":null,"spread":false},{"title":"testDoc.ico <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"Toolbar.bmp <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"test.ico <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false}],"spread":false},{"title":"test.dsw <span style='color:#111;'> 533B </span>","children":null,"spread":false},{"title":"test.aps <span style='color:#111;'> 27.86KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]