mfc加载位图，并可以放大、缩小图片

[{"title":"（ 74 个子文件 26.02MB ） mfc加载位图，并可以放大、缩小图片","children":[{"title":"课程实验","children":[{"title":"4.bmp <span style='color:#111;'> 1.37MB </span>","children":null,"spread":false},{"title":"Demo","children":[{"title":"Demo.rc <span style='color:#111;'> 10.30KB </span>","children":null,"spread":false},{"title":"DemoDlg.cpp <span style='color:#111;'> 4.63KB </span>","children":null,"spread":false},{"title":"resource.h <span style='color:#111;'> 1.96KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"cl.command.1.tlog <span style='color:#111;'> 2.21KB </span>","children":null,"spread":false},{"title":"Demo_manifest.rc <span style='color:#111;'> 198B </span>","children":null,"spread":false},{"title":"link.2756.write.1.tlog <span style='color:#111;'> 2B </span>","children":null,"spread":false},{"title":"link.2756.read.1.tlog <span style='color:#111;'> 2B </span>","children":null,"spread":false},{"title":"Demo.exe <span style='color:#111;'> 153.00KB 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