A member of the TwainCapabilities enumeration.
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.
New value (as numeric) to set to the selected TWAIN capability.





In This Topic
GdPicture14 Namespace / GdPictureImaging Class / TwainSetCapCurrentNumeric Method

TwainSetCapCurrentNumeric Method (GdPictureImaging)

In This Topic
Changes the current value of a TWAIN capability from a numeric value. The TwainGetAvailableCapValueNoNumeric() method should be used to determine what are the supported value which can be used with this method.
Syntax
'Declaration

 


Public Function TwainSetCapCurrentNumeric( _

   ByVal Cap As TwainCapabilities, _

   ByVal ItemType As TwainItemTypes, _

   ByVal NewValue As Double _

) As Boolean
public bool TwainSetCapCurrentNumeric( 

   TwainCapabilities Cap,

   TwainItemTypes ItemType,

   double NewValue

)
public function TwainSetCapCurrentNumeric( 

    Cap: TwainCapabilities;

    ItemType: TwainItemTypes;

    NewValue: Double

): Boolean; 
public function TwainSetCapCurrentNumeric( 

   Cap : TwainCapabilities,

   ItemType : TwainItemTypes,

   NewValue : double

) : boolean;
public: bool TwainSetCapCurrentNumeric( 

   TwainCapabilities Cap,

   TwainItemTypes ItemType,

   double NewValue

) 
public:

bool TwainSetCapCurrentNumeric( 

   TwainCapabilities Cap,

   TwainItemTypes ItemType,

   double 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 (as numeric) 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.
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetCapItemType Method
TwainGetState Method
TwainGetAvailableCapValuesCount Method
TwainGetAvailableCapValueNoNumeric Method
TwainGetCapCurrentNumeric Method