GdPicture.NET Reference Guide
TwainGetImageFileFormat Method (GdPictureImaging)

GdPicture14 Namespace > GdPictureImaging Class : TwainGetImageFileFormat Method
Returns the current image file format used by the selected twain source for file transfer mode.
Public Function TwainGetImageFileFormat() As TwainImageFileFormats
public TwainImageFileFormats TwainGetImageFileFormat()
public function TwainGetImageFileFormat(): TwainImageFileFormats; 
public function TwainGetImageFileFormat() : TwainImageFileFormats;
public: TwainImageFileFormats TwainGetImageFileFormat(); 
TwainImageFileFormats TwainGetImageFileFormat(); 

Return Value

If fail, TWFF_UNSUPPORTED : probably not supported by the current device -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error. If success, Current file format to use in file transfer mode. A member of the GdPicture enumeration.
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


GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainSetImageFileFormat Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method