check if (Msg.WParam = DBT_DEVICEARRIVAL) or (Msg.WParam =
DBT_DEVICEREMOVECOMPLETE
if either is true then
devType : Integer;
Datos : PDevBroadcastHdr;
Datos := PDevBroadCastHdr(Msg.LParam);
devType := Datos^.dbch_devicetype;
if devType = DBT_DEVTYP_DEVICEINTERFACE then USB device has been
added / removed
--- In [email protected], "wizzszz" <[EMAIL PROTECTED]> wrote:
>
> Could you post the USB notification code, or a link where to get
it?
> Or does it simply use WM_DEVICECHANGE?
>
> TIA, wizzszz
> ----- Original Message -----
> From: texman_uk
> To: [email protected]
> Sent: Thursday, May 11, 2006 6:04 PM
> Subject: [delphi-en] Detect Insertion / removal of CF cards
>
>
> I am trying to detect when a cf card (or similar) is inserted
into a
> drive, I have got some code that detects the insertion / removal
of a
> usb device and from here i can detect whether it is of type
volume and
> whether or not a disk is present, however if i attach a usb card
> reader with no card and then insert a card at a later date i
can't
> detect this occurring - I am currently monitoring the
WM_DEVICECHANGE
> message but do not get a notification when a card is inserted /
> removed, does anyone know what message i need to monitor or how
i can
> get notification when the card is inserted / removed
>
> cheers
>
>
>
>
>
>
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