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mfkzj 2002-06-10
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全局变量只有在动态连接库的时候可以在内存中能处理整个系统的消息 相当于系统的一个全局变量 系统会把它映射导每一个运行中的进程中
xming076 2002-06-10
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系统钩子是对系统所有进程生效的，只有DLL才能和其它进程在同一地址空间中。
ahr 2002-06-10
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因为系统会把他映射到每个进程里去
w_king 2002-06-10
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全局钩子必须放在动态链接库里,只有这样才能钩住别的程序,如果只钩本程序的话
也可放在应用程序中.
也可放在应用程序中.
蒋晟 2002-06-10
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A systemwide filter function, which must reside in a DLL, must also share any data that it needs with other processes. Since this is not default DLL behavior, you must be careful when implementing systemwide filter functions. If a filter function is not correctly developed to share data and uses data in a process in which the data is invalid, the process may crash.
蒋晟 2002-06-10
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A systemwide filter function, which must reside in a DLL, must also share any data that it needs with other processes. Since this is not default DLL behavior, you must be careful when implementing systemwide filter functions. If a filter function is not correctly developed to share data and uses data in a process in which the data is invalid, the process may crash.
sabrina_yuan 2002-06-10
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谢谢各位，我明白了：）
