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Problem of retrieving AV/TV value using PSReCSDK

Hi, I got a problem when retrieving valid AV/TV values using PSReCSDK 1.1.0b. The models I use are PowerShot A640 and PowerShot S5 IS. I shifted between M/AV/TV/Auto modes but the problem stays the same.

I first analyze DevicePropDesc using PR_GetDevicePropDesc. Everything is OK until I check the GetSet value. It is zero, which means Read Only. Subsequently, I can get the correct factory default value and current value. But after checking the FormFlag which is true, I got the value of the Enumeration-Form to be zero again, which means no valid items to enumerate.

There is no specific declaration whether AV/TV support are not available in certain models in the PSReCSDK manual. Therefore, I am not sure whether the problem is due to the SDK itself or any misuse in my program. Or shall I upgrade to the latest version of SDK?

Looking forward to any response. Many thanks~

Rgds,
Shawn

shawn
Thu, 15 Nov 2007 05:51:55 +0000

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