mfc使用Slider控件控制系统的音量

[{"title":"（ 23 个子文件 33.13MB ） mfc使用Slider控件控制系统的音量","children":[{"title":"Volume","children":[{"title":"Volume.suo <span style='color:#111;'> 18.50KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"Volume.pdb <span style='color:#111;'> 5.45MB </span>","children":null,"spread":false},{"title":"Volume.ilk <span style='color:#111;'> 1.02MB </span>","children":null,"spread":false},{"title":"Volume.exe <span style='color:#111;'> 155.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"ipch","children":[{"title":"volume-6eb76a0","children":[{"title":"volume-2aac844.ipch <span style='color:#111;'> 91.63MB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Volume.sln <span style='color:#111;'> 885B </span>","children":null,"spread":false},{"title":"Volume.sdf <span style='color:#111;'> 69.08MB </span>","children":null,"spread":false},{"title":"Volume","children":[{"title":"VolumeDlg.cpp <span style='color:#111;'> 6.59KB </span>","children":null,"spread":false},{"title":"resource.h <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"Volume.vcxproj.user <span style='color:#111;'> 143B </span>","children":null,"spread":false},{"title":"Volume.aps <span style='color:#111;'> 103.22KB </span>","children":null,"spread":false},{"title":"Volume.cpp <span style='color:#111;'> 1.95KB </span>","children":null,"spread":false},{"title":"Volume.rc <span style='color:#111;'> 10.12KB </span>","children":null,"spread":false},{"title":"stdafx.h <span style='color:#111;'> 1.59KB </span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'> 3.05KB </span>","children":null,"spread":false},{"title":"res","children":[{"title":"Volume.ico <span style='color:#111;'> 66.19KB </span>","children":null,"spread":false},{"title":"Volume.rc2 <span style='color:#111;'> 668B </span>","children":null,"spread":false}],"spread":false},{"title":"stdafx.cpp <span style='color:#111;'> 139B </span>","children":null,"spread":false},{"title":"Volume.vcxproj.filters <span style='color:#111;'> 1.93KB </span>","children":null,"spread":false},{"title":"Volume.vcxproj <span style='color:#111;'> 5.77KB </span>","children":null,"spread":false},{"title":"VolumeDlg.h <span style='color:#111;'> 719B </span>","children":null,"spread":false},{"title":"Volume.h <span style='color:#111;'> 442B </span>","children":null,"spread":false},{"title":"targetver.h <span style='color:#111;'> 234B </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}]