Re: Want help regarding : "disable bluetooth device"

From:

"Ben Voigt [C++ MVP]" <rbv@nospam.nospam>

Newsgroups:

microsoft.public.vc.language

Date:

Wed, 9 Apr 2008 09:08:10 -0500

Message-ID:

<#2cpgqkmIHA.6064@TK2MSFTNGP03.phx.gbl>

Devang wrote:

On Apr 8, 7:29 pm, "Ben Voigt [C++ MVP]" <r...@nospam.nospam> wrote:

Devang wrote:

On Apr 7, 6:37 pm, "Ben Voigt [C++ MVP]" <r...@nospam.nospam> wrote:

Devang wrote:

On Apr 1, 3:33 am, "Ben Voigt [C++ MVP]" <r...@nospam.nospam>
wrote:

Devang wrote:

Hi

I want todisablebluetoothdevice connected to my PC.
Can I disblebluetoothradio connected to my PC through code
(C++) ?

Yes, using SetupDi* functions.

Thanking you

Regards
Devang Vyas

Hello,

In Win2000 when I call "SetupDiRemoveDevice" it removes bluetooth
device from "Device Manager".
But it still works fine ( I have installed third party bluetooth
driver for Win2000).
And GUID_DEVCLASS_BLUETOOTH in "SetupDiGetClassDevs" doesn't works
in win2000.

If you remove the driver, the device will be left unattached, and
Windows will install the best driver for it at the next
opportunity.

If you want to disable, as you first said, try something along
these lines (this is C++/CLI code, but the steps should be readily
apparent, mostly you want to replace the error handling):

void Device::Disable( void )

{

SP_PROPCHANGE_PARAMS params;

params.ClassInstallHeader.cbSize = sizeof (SP_CLASSINSTALL_HEADER);

params.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;

params.Scope = DICS_FLAG_GLOBAL;

params.HwProfile = 0;

params.StateChange = DICS_DISABLE;

if (!SetupDiSetClassInstallParamsW((HDEVINFO)deviceSet,
(PSP_DEVINFO_DATA)deviceData, &params.ClassInstallHeader, sizeof
params))

throw gcnew WinapiException();

if (!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,
(HDEVINFO)deviceSet, (PSP_DEVINFO_DATA)deviceData))

throw gcnew WinapiException();

}

So how can I find out installed bluetooth device in PC.

Thanx

Ya Thanks

Your code sample was very helpful.
It too works fine for WinXP SP2.
But I am facing problem with "Windows 2000".
I have installed "BlueSoleil" driver on Windows 2000.
I am able to find out arrival of bluetooth device(In win2k using
device class desc).
But unable to disble it. The same code work fine for WinXP.

Are any of the API calls failing? What does GetLastError() return?

Actually when I use API "SetupDiRemoveDevice", it removes device from
device manager
But device is still usable, and can be used from "Bluesoleil" GUI.

Is this different from what happens if you uninstall from device manager?

and following sequence of APIs you suggested
-SetupDiSetClassInstallParamsW
-SetupDiCallClassInstaller
Returns no error but doesn't make any effect.

That should have disabled the device, so that device manager would show a
red X over the icon.

Thanks

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