TwainGetAvailableImageFileFormatCount Method (GdPictureImaging)

In This Topic

Returns the number of available file format values which can be used by the opened source in its current configuration for file transfer mode.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Function TwainGetAvailableImageFileFormatCount() As Integer

public int TwainGetAvailableImageFileFormatCount()

public function TwainGetAvailableImageFileFormatCount(): Integer;

public function TwainGetAvailableImageFileFormatCount() : int;

public: int TwainGetAvailableImageFileFormatCount();

public:
int TwainGetAvailableImageFileFormatCount();

Return Value

If Success, non zero: The number of available file format values. 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.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainGetAvailableImageFileFormatNo Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method