'Declaration
Public Function TwainGetResolution() As Integer
public int TwainGetResolution()
public function TwainGetResolution(): Integer;
public function TwainGetResolution() : int;
public: int TwainGetResolution();
public: int TwainGetResolution();
Return Value
If success, non-zero value. If fail, -1 -> Use TwainGetLastResultCode() and
TwainGetLastConditionCode() methods for diagnosing the error.