TwainCloseSource Method (GdPictureImaging)

In This Topic

Closes the open Data Source, if any. If the source is enabled, disables it first.

Syntax

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

'Declaration
 
Public Function TwainCloseSource() As Boolean

public bool TwainCloseSource()

public function TwainCloseSource(): Boolean;

public function TwainCloseSource() : boolean;

public: bool TwainCloseSource();

public:
bool TwainCloseSource();

Return Value

True if success, else False. If there is not an open source, does nothing and returns TRUE.

Remarks

This method should be called only if the TWAIN state is 4 (TWAIN_SOURCE_OPEN) or 5 (TWAIN_SOURCE_ENABLED). If success, the TWAIN state must be <= 3 (TWAIN_SM_OPEN). To get the TWAIN state, use the TwainGetState() method.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method