MCSD VC的一道考题

fantong 2001-08-01 01:11:55
请大家给出这道题的标准答案啊,我自己动手作了两遍顺序不一样竟然结果不一样
You create an install/uninstall program for your application ,this program can be run Add/Remove Programs in Control Panel.The install/uninstall program correctly increments and decrements reference counts for shared .dll files,and logs the directory into which the application-specific files are installed

A user installs your application twice ,into two defferent derectories,What happens when the user selects the application removal in Add/Remove Programs?
A. All installtions of the application are removed
B.The newest installtion of the application is removed
the previous installation remais of the machine and can still be used
c.the oldest installation of the application is removed
the newest installation remains on the machine
d the newest installation of the application is removed
the previous installation remains or the machine but cannot be used
e the oldest installation of the application is removed
the newest installaion remains on the machine but cannot be used
f neither installation of the application is removed
g the uninstall fails.
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dx79 2002-04-11
the answer is d.
In the progress of the 2nd install, the new DLL will register it and overwrite the old entry in registry. So the old install's information is lost, can not be used anymore.
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lbqsv 2001-08-16
都是一致意见,嗯
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vc_liujian 2001-08-16
d
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admireO 2001-08-01
why?
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lixiner 2001-08-01
d
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ssh_zy 2001-08-01
d
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dsli 2001-08-01
d
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12345678 2001-08-01
D
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Semigod 2001-08-01
d
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