使用VC++实现放大缩小图片及载入清空缩略图

[{"title":"（ 34 个子文件 8.92MB ） 使用VC++实现放大缩小图片及载入清空缩略图","children":[{"title":"listbox","children":[{"title":"listbox.sln <span style='color:#111;'> 886B </span>","children":null,"spread":false},{"title":"listbox.ncb <span style='color:#111;'> 15.77MB </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"listbox.ilk <span style='color:#111;'> 1.47MB </span>","children":null,"spread":false},{"title":"listbox.exe <span style='color:#111;'> 208.00KB </span>","children":null,"spread":false},{"title":"listbox.pdb <span style='color:#111;'> 3.92MB </span>","children":null,"spread":false}],"spread":true},{"title":"listbox.suo <span style='color:#111;'> 26.00KB </span>","children":null,"spread":false},{"title":"listbox","children":[{"title":"stdafx.cpp <span style='color:#111;'> 138B </span>","children":null,"spread":false},{"title":"listboxDlg.h <span style='color:#111;'> 1.36KB </span>","children":null,"spread":false},{"title":"listbox.cpp <span style='color:#111;'> 1.67KB </span>","children":null,"spread":false},{"title":"res","children":[{"title":"listbox.rc2 <span style='color:#111;'> 363B </span>","children":null,"spread":false},{"title":"listbox.ico <span style='color:#111;'> 21.12KB </span>","children":null,"spread":false}],"spread":true},{"title":"stdafx.h <span style='color:#111;'> 2.45KB </span>","children":null,"spread":false},{"title":"listbox.h <span style='color:#111;'> 447B </span>","children":null,"spread":false},{"title":"FolderDialog.cpp <span style='color:#111;'> 526B </span>","children":null,"spread":false},{"title":"listboxDlg.cpp <span style='color:#111;'> 8.29KB </span>","children":null,"spread":false},{"title":"listbox.vcproj.WIN-RN41D4VP1F8.Administrator.user <span style='color:#111;'> 1.39KB </span>","children":null,"spread":false},{"title":"resource.h <span style='color:#111;'> 864B </span>","children":null,"spread":false},{"title":"listbox.vcproj.3-1.Administrator.user <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"listbox.vcproj <span style='color:#111;'> 5.49KB </span>","children":null,"spread":false},{"title":"listbox.rc <span style='color:#111;'> 4.69KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"listbox.exe.embed.manifest <span style='color:#111;'> 666B </span>","children":null,"spread":false},{"title":"listbox.exe.embed.manifest.res <span style='color:#111;'> 732B </span>","children":null,"spread":false},{"title":"stdafx.obj <span style='color:#111;'> 329.40KB </span>","children":null,"spread":false},{"title":"BuildLog.htm <span style='color:#111;'> 11.43KB </span>","children":null,"spread":false},{"title":"listbox.exe.intermediate.manifest <span style='color:#111;'> 631B </span>","children":null,"spread":false},{"title":"listbox.res <span style='color:#111;'> 22.58KB </span>","children":null,"spread":false},{"title":"listbox.pch <span style='color:#111;'> 13.00MB </span>","children":null,"spread":false},{"title":"mt.dep <span style='color:#111;'> 65B </span>","children":null,"spread":false},{"title":"vc80.pdb <span style='color:#111;'> 892.00KB </span>","children":null,"spread":false},{"title":"vc80.idb <span style='color:#111;'> 523.00KB </span>","children":null,"spread":false},{"title":"listboxDlg.obj <span style='color:#111;'> 363.16KB </span>","children":null,"spread":false},{"title":"listbox.obj <span style='color:#111;'> 135.40KB </span>","children":null,"spread":false}],"spread":false},{"title":"listbox.aps <span style='color:#111;'> 56.77KB </span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'> 2.70KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}]