GdPicture.NET.14~GdPicture14.GdPictureImaging~TwainGetCompression - TwainGetCompression Method (GdPictureImaging) -

TwainGetCompression Method (GdPictureImaging)

In This Topic

Returns the current image compression used by the selected twain source for file transfer mode.

Syntax

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

'Declaration
 
Public Function TwainGetCompression() As TwainCompression

public TwainCompression TwainGetCompression()

public function TwainGetCompression(): TwainCompression;

public function TwainGetCompression() : TwainCompression;

public: TwainCompression TwainGetCompression();

public:
TwainCompression TwainGetCompression();

Return Value

Current file format to use in file transfer mode. A member of the TwainCompression enumeration. TWCP_UNSUPPORTED If it is not supported by the current device (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
TwainSetCompression Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method