TwainGetAvailableBrightnessCount Method (GdPictureImaging)

In This Topic

Returns the number of available brightness values which can be used by the opened source in its current configuration.

Syntax

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

'Declaration
 
Public Function TwainGetAvailableBrightnessCount() As Integer

public int TwainGetAvailableBrightnessCount()

public function TwainGetAvailableBrightnessCount(): Integer;

public function TwainGetAvailableBrightnessCount() : int;

public: int TwainGetAvailableBrightnessCount();

public:
int TwainGetAvailableBrightnessCount();

Return Value

If Success, non zero: The number of available brightness 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
TwainGetAvailableBrightnessNo Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method