DeviceIoControl

Dear All,
Can someone tell me the equivalent of this call on Windows 9x. And
what should a vxd do to be able to be communicated by user-mode apps on 9x.
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>> Can someone tell me the equivalent of this call on Windows 9x.

Maybe DeviceIoControl itself ?? Its a Win32 API not a NT specifc API

>

what should a vxd do to be able to be communicated by user-mode apps on 9x

the 98 DDK is full of examples. Technicly , the same as a NT driver must do,
process IOCTLs

----- Original Message -----
From: “Seshagiri_Babu”
To: “NT Developers Interest List”
Sent: Friday, July 05, 2002 2:12 PM
Subject: [ntdev] DeviceIoControl

> Dear All,
> Can someone tell me the equivalent of this call on Windows 9x. And
> what should a vxd do to be able to be communicated by user-mode apps on
9x.
>
> This email (including any attachments) is intended for the sole use of the
> intended recipient/s and may contain material that is CONFIDENTIAL AND
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> distribution or forwarding of any or all of the contents in this message
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> STRICTLY PROHIBITED. If you are not the intended recipient, please contact
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>Can someone tell me the equivalent of this call on Windows 9x.

Answer is DeviceIoControl… :slight_smile:
It is just a WIN32 API and will work with Win 9x/ME and all NT platforms…

what should a vxd do to be able to be communicated by user-mode apps on
9x.
You have to write a handler like Onw32DeviceControl…
you can refer to lot of examples in 95 and 98 ddk…

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