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[求助]DeviceIOControl是如何修改中断向量的?
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发表于:
2005-8-20 12:03
4222
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[求助]DeviceIOControl是如何修改中断向量的?
下面的一段代码是从幻影中得到的,但是不明白道理:
0012FF80 00420C0C /CALL to DeviceIoControl from Try.00420C06
0012FF84 0000004C |hDevice = 0000004C
0012FF88 00000001 |IoControlCode = 1
0012FF8C 0042138F |InBuffer = Try.0042138F
0012FF90 0000000C |InBufferSize = C (12.)
0012FF94 00000000 |OutBuffer = NULL
0012FF98 00000000 |OutBufferSize = 0
0012FF9C 00000000 |pBytesReturned = NULL
0012FFA0 00000000 \pOverlapped = NULL
为何这段代码执行完毕以后中断向量就被修改了?修改的是哪个中断向量?
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