MFC中图片按照控件的大小完整显示（可以显示jpg格式）

[{"title":"（ 51 个子文件 24.57MB ） MFC中图片按照控件的大小完整显示（可以显示jpg格式）","children":[{"title":"图片显示 按控件大小","children":[{"title":"Debug","children":[{"title":"图片显示.exe <span style='color:#111;'> 190.00KB </span>","children":null,"spread":false},{"title":"图片显示.pdb <span style='color:#111;'> 4.99MB </span>","children":null,"spread":false},{"title":"图片显示.ilk <span style='color:#111;'> 1.22MB </span>","children":null,"spread":false}],"spread":true},{"title":"ipch","children":[{"title":"图片显示-b306bf3e","children":null,"spread":false}],"spread":true},{"title":"图片显示.sln <span style='color:#111;'> 903B </span>","children":null,"spread":false},{"title":"图片显示.suo <span style='color:#111;'> 14.00KB </span>","children":null,"spread":false},{"title":"图片显示.sdf <span style='color:#111;'> 62.58MB </span>","children":null,"spread":false},{"title":"图片显示","children":[{"title":"resource.h <span style='color:#111;'> 1.41KB </span>","children":null,"spread":false},{"title":"图片显示.vcxproj.filters <span style='color:#111;'> 2.23KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"cl.command.1.tlog <span style='color:#111;'> 3.90KB </span>","children":null,"spread":false},{"title":"图片显示.pch <span style='color:#111;'> 32.06MB </span>","children":null,"spread":false},{"title":"rc.command.1.tlog <span style='color:#111;'> 1.82KB </span>","children":null,"spread":false},{"title":"CL.read.1.tlog <span style='color:#111;'> 127.08KB </span>","children":null,"spread":false},{"title":"vc100.idb <span style='color:#111;'> 1.92MB </span>","children":null,"spread":false},{"title":"mt.read.1.tlog <span style='color:#111;'> 1.10KB </span>","children":null,"spread":false},{"title":"图片显示.log <span style='color:#111;'> 1.30KB </span>","children":null,"spread":false},{"title":"link-cvtres.read.1.tlog <span style='color:#111;'> 2B </span>","children":null,"spread":false},{"title":"link.read.1.tlog <span style='color:#111;'> 8.68KB </span>","children":null,"spread":false},{"title":"rc.read.1.tlog <span style='color:#111;'> 5.83KB </span>","children":null,"spread":false},{"title":"link.write.1.tlog <span style='color:#111;'> 1.41KB </span>","children":null,"spread":false},{"title":"CL.write.1.tlog <span style='color:#111;'> 1.85KB </span>","children":null,"spread":false},{"title":"图片显示.exe.embed.manifest.res <span style='color:#111;'> 980B </span>","children":null,"spread":false},{"title":"图片显示.exe.embed.manifest <span style='color:#111;'> 915B </span>","children":null,"spread":false},{"title":"vc100.pdb <span style='color:#111;'> 3.30MB </span>","children":null,"spread":false},{"title":"图片显示.exe.intermediate.manifest <span style='color:#111;'> 640B </span>","children":null,"spread":false},{"title":"图片显示_manifest.rc <span style='color:#111;'> 198B </span>","children":null,"spread":false},{"title":"link.command.1.tlog <span style='color:#111;'> 2.69KB </span>","children":null,"spread":false},{"title":"mt.write.1.tlog <span style='color:#111;'> 362B </span>","children":null,"spread":false},{"title":"图片显示.obj <span style='color:#111;'> 29.37KB </span>","children":null,"spread":false},{"title":"图片显示Dlg.obj <span style='color:#111;'> 45.60KB </span>","children":null,"spread":false},{"title":"图片显示.res <span style='color:#111;'> 67.98KB </span>","children":null,"spread":false},{"title":"stdafx.obj <span style='color:#111;'> 625.50KB </span>","children":null,"spread":false},{"title":"图片显示.lastbuildstate <span style='color:#111;'> 87B </span>","children":null,"spread":false},{"title":"mt.command.1.tlog <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"rc.write.1.tlog <span style='color:#111;'> 682B </span>","children":null,"spread":false},{"title":"link-cvtres.write.1.tlog <span style='color:#111;'> 2B </span>","children":null,"spread":false}],"spread":false},{"title":"图片显示.h <span style='color:#111;'> 454B </span>","children":null,"spread":false},{"title":"图片显示Dlg.h <span style='color:#111;'> 613B 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