TwainDisableSource Method (GdPictureImaging)

In This Topic

Disables the open Data Source, if any. This closes the source's user interface.

Syntax

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

'Declaration
 
Public Function TwainDisableSource() As Boolean

public bool TwainDisableSource()

public function TwainDisableSource(): Boolean;

public function TwainDisableSource() : boolean;

public: bool TwainDisableSource();

public:
bool TwainDisableSource();

Return Value

True if success, else False -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error. If there is not an enabled source, does nothing and returns TRUE.

Remarks

Before using this method check that the TWAIN state is 5 (TWAIN_SOURCE_ENABLED). If success, the twain state must be 4 (TWAIN_SOURCE_OPEN). To get the TWAIN state, use the TwainGetState() method.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method