TwainIsDeviceOnline Method (GdPictureImaging)

In This Topic

Returns the online statue of the current data source. If TRUE, the physical hardware (e.g., scanner, digital camera, image database, etc.) that represents the image source is attached, powered on, and communicating.

Syntax

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

'Declaration
 
Public Function TwainIsDeviceOnline() As Boolean

public bool TwainIsDeviceOnline()

public function TwainIsDeviceOnline(): Boolean;

public function TwainIsDeviceOnline() : boolean;

public: bool TwainIsDeviceOnline();

public:
bool TwainIsDeviceOnline();

Return Value

True if the current data source is powered on and communicating, else False.

Remarks

This method can be issued at any time to determine the availability of the image source

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method