键盘过滤驱动勘误《寒江独钓》

Keydata=Irp->AssociatedIrp.SystemBuffer;
numKeys=Irp->IoStatus.Information / Sizeof(KEYBOARD_INPUT_DATA);
for ( i=0;i<numKeys;i++)
{
    DbgPrint(("numKeys : %d ",numKeys));
    DbgPrint(("Scan code : %x ",KeyData->MakeCode));
    DbgPrint(("%s\n",KeyData->Flags? "up":"down"));
    MyPrintKeyStroke((UCHAR)KeyData->MakeCode);

    if (KeyData->MakeCode==CAPS_LOCK)
    {
        KeyData->MakeCode=LCONTROL;
    }
}

Keydata=Irp->AssociatedIrp.SystemBuffer;
numKeys=Irp->IoStatus.Information / Sizeof(KEYBOARD_INPUT_DATA);
for ( i=0;i<numKeys;i++,numKeys++)
{
    DbgPrint(("numKeys : %d ",numKeys));
    DbgPrint(("Scan code : %x ",KeyData->MakeCode));
    DbgPrint(("%s\n",KeyData->Flags? "up":"down"));
    MyPrintKeyStroke((UCHAR)KeyData->MakeCode);

    if (KeyData->MakeCode==CAPS_LOCK)
    {
        KeyData->MakeCode=LCONTROL;
    }
}