'Declaration Public Function GetApproximateQualityValue() As System.Int32
public System.Int32 GetApproximateQualityValue()
public: System.Int32 GetApproximateQualityValue()
public:
System.Int32 GetApproximateQualityValue()
Return Value
Quality value in range from 1 to 100 if quality value was calculated successfully; otherwise, -1.