WT4090 - Control Key Clicks Volume Using API

K Kenneth Ryan 3 years 7 months ago
2 5 0

1.  3:07 PM 6/2/2009 2.  3 Day 3.  WT4090 4.  CE 5.0 BSP 30/35 5.  1897669 I know its possible to control the Key Click volume via the registry: [HKEY_CURRENT_USER\ControlPanel\Volume] "Key"=dword:00000000 Can this be done via an API call to just control the key click volume? Do you have to set this key in you code an then set some sort of event to get it to register to the OS without a warm boot?

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5 Replies

Y Yanis Dalabiras

There is an undocumented MS api AudioUpdateFromRegistry that will cause a read from the registry.  To do this programatically you will have to set the reg key and then call this api.  You can define the function like this in your app: #ifdef __cplusplus extern "C" #endif void AudioUpdateFromRegistry();

K Kenneth Ryan

John, Thank You!

K Kenneth Ryan

EMDK For C or .Net do not provide this at all from what I can see.

K Kenneth Ryan

Hi guys.  Anyone have any ideas or is there just not an API to do this?

K Kenneth Ryan

I guess we have no API for this?

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