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Retrieves the value used for threshold filtering operations.
Syntax
HRESULT retVal = object.GetThreshold(pVal);
Parameters
pVal [out]
Type: floatPointer to the threshold value.
Remarks
For the threshold filtering adjustment, each sample color channel with a value below pVal*255 is set to 0. Each color channel with a value equal to or over that threshold is set to 255.