TwainSetCapCurrentString Method (GdPictureImaging)

In This Topic

Changes the current value of a TWAIN capability.

Syntax

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

'Declaration
 
Public Function TwainSetCapCurrentString( _
   ByVal Cap As TwainCapabilities, _
   ByVal ItemType As TwainItemTypes, _
   ByVal NewValue As String _
) As Boolean

public bool TwainSetCapCurrentString( 
   TwainCapabilities Cap,
   TwainItemTypes ItemType,
   string NewValue
)

public function TwainSetCapCurrentString( 
    Cap: TwainCapabilities;
    ItemType: TwainItemTypes;
    NewValue: String
): Boolean;

public function TwainSetCapCurrentString( 
   Cap : TwainCapabilities,
   ItemType : TwainItemTypes,
   NewValue : String
) : boolean;

public: bool TwainSetCapCurrentString( 
   TwainCapabilities Cap,
   TwainItemTypes ItemType,
   string* NewValue
)

public:
bool TwainSetCapCurrentString( 
   TwainCapabilities Cap,
   TwainItemTypes ItemType,
   String^ NewValue
)

Parameters

Cap: A member of the TwainCapabilities enumeration.
ItemType: A member of the TwainItemTypes enumeration.You can determine the type of each TWAIN capability using the TwainGetCapItemType method or looking the twain references from http://www.twain.org.
NewValue: New value to set to the selected TWAIN capability.

Return Value

True if success, else False -> 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. This method can be used to set the following types of capabilities: TWTY_STR32, TWTY_STR64, TWTY_STR128, TWTY_STR255.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainGetCapItemType Method
TwainGetAvailableCapValuesCount Method
TwainGetAvailableCapValueNoString Method
TwainGetCapCurrentString Method