mfc简单画图（拖动，缩放，移动图形）

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style='color:#111;'>18.54KB</span>","children":null,"spread":false},{"title":"ChildFrm.obj <span style='color:#111;'>15.84KB</span>","children":null,"spread":false},{"title":"hu.obj <span style='color:#111;'>5.06KB</span>","children":null,"spread":false},{"title":"Draw.obj <span style='color:#111;'>4.36KB</span>","children":null,"spread":false},{"title":"画图.pdb <span style='color:#111;'>569.00KB</span>","children":null,"spread":false},{"title":"画图.bsc <span style='color:#111;'>3.58MB</span>","children":null,"spread":false},{"title":"zhixian.sbr <span style='color:#111;'>0B</span>","children":null,"spread":false}],"spread":false},{"title":"Rectangle.h <span style='color:#111;'>655B</span>","children":null,"spread":false},{"title":"zhixian.cpp <span style='color:#111;'>657B</span>","children":null,"spread":false},{"title":"画图View.cpp <span style='color:#111;'>25.53KB</span>","children":null,"spread":false},{"title":"画图.cpp <span style='color:#111;'>4.22KB</span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'>4.59KB</span>","children":null,"spread":false},{"title":"huitu.cpp <span style='color:#111;'>556B</span>","children":null,"spread":false}],"spread":false}],"spread":true}]