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GdPicture14 Namespace / GdPictureImaging Class / TwainGetAvailableBarCodeTypeCount Method

TwainGetAvailableBarCodeTypeCount Method (GdPictureImaging)

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If barcode detection is available, returns the number of bar code types that can be detected.
Syntax
'Declaration
 
Public Function TwainGetAvailableBarCodeTypeCount() As Integer
public int TwainGetAvailableBarCodeTypeCount()
public function TwainGetAvailableBarCodeTypeCount(): Integer; 
public function TwainGetAvailableBarCodeTypeCount() : int;
public: int TwainGetAvailableBarCodeTypeCount(); 
public:
int TwainGetAvailableBarCodeTypeCount(); 

Return Value

If Success, non zero: the number of bar code types that can be detected. Else 0 if fail. Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error.
Remarks
Before using this method check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN) To get the TWAIN state, use the TwainGetState() method.
See Also