How to temporarily disable Sound Card/Driver

Hello all,

How can the sound card be Enabled/Disabled with Vb Code? Is this possible through API call? or maybe registry edit?

My app. needs to disable sound card while running then enable afterward. This app will be running on a dedicated system.

Using "black box" object. The object's method (for which I don't have source code) uses .wav file play that can overwhelm the sound card to the point of BSOD. After manually disabling my sound device the BSOD events dissapeared. Mute does not work, BSOD still occurs.

Any help is greatly appreciated.

Thank you.

cyman73

Newbie Poster

11 posts since Jul 2006

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5 Years Ago

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After some pretty hard-core searching, I've settled on the fact that you simply can't by yourself. I've looked into API's, WMI, and using Sendkeys to the device manager window itself :eek: (which works, btw, but it's really tacky, and certainly not something I'm going to suggest). After all is said and done, it looks like there is a utility called "devcon" from microsoft, that can be used to do what you want ( http://support.microsoft.com/?kbid=311272 ). I'm quite a bit disappointed that I can't find a VB solution to this, or even a solution in another language that I could port to VB. Everything seems to rely on this tool...... good luck.

Comatose

Taboo Programmer

Team Colleague

2,910 posts since Dec 2004

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5 Years Ago

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Thank you very much for your help. I tried the link, but it does not work.

cyman73

Newbie Poster

11 posts since Jul 2006