Re: Unmount drive on Win9x (Int 21h API ???)

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#14576

From: Remy Lebeau (TeamB)
Date: Thu, 07 Aug 2003 22:23

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"Helmut Giese" <hgiese@ratiosoft.com> wrote in message
news:3f32b61b.5680168@forums.borland.com...

> I found a (broken) link to using some old Int 21h functions instead.

What was the link exactly?

> - how to access this Int 21h interface

Use DeviceIoControl() as well.  The trick is, however, that you cannot open
the hardware device directly like you can under NT/2K/XP, so you have to
access it indirectly using the VWIN32.VXD driver under Win9x/Me instead:

    Calling DeviceIoControl on Windows Me/98/95

http://msdn.microsoft.com/library/en-us/devio/base/calling_deviceiocontrol_o
n_windows_95_98_me.asp

> - (more specifically) on unmounting a device ?

    Int 21h Function 440Dh Minor Code 49h
    Ejects the specified media.
    http://msdn.microsoft.com/library/en-us/win9x/fat32_7n3k.asp

You can find all of the Int21h controls here:

    http://msdn.microsoft.com/library/en-us/win9x/fat32_70z4.asp


Gambit

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Subject: Re: Unmount drive on Win9x (Int 21h API ???)
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