CWIMAQdx.GetAttribute failed to get attributes in the string or format U32.

I'm reading all the attributes of a Gige camera. I can get the I64, F64 attributes and Boolean marker. But when the type is string or U32, the returned object "attribute" is "NULL". Can someone let me know what is wrong with my code?

Thank you

object attribute = new object();

if(stype=="I64")

{

CWIMAQdx.GetAttribute (sid, attributeInformationArray [i]. Name, CWIMAQdx.ValueType.I64, out attribute);

sValue = Convert.ToInt64 (attribute). ToString();

}

If (sType is "String")

{

CWIMAQdx.GetAttribute (sid, "attributeInformationArray [i]. Name', CWIMAQdx.ValueType.String, out attribute);

sValue = Convert.ToString (attribute);

}

If (sType is "U32")

{

CWIMAQdx.GetAttribute (sid, "attributeInformationArray [i]. Name', CWIMAQdx.ValueType.U32, out attribute);

sValue = Convert.ToUInt32 (attribute). ToString();

}

Is it just a coincidence that in your second two cases (you mentioned do not work) your code example seems to be passing the constant "attributeInformationArray [i]. Name"rather than the actual attribute name?

Eric

Tags: NI Hardware

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