TwainSetCapCurrentString Method

See Also     Examples     Applies To

Changes the current value of a TWAIN capability.

Syntax

object.TwainSetCapCurrentString (nCap, nItemType, sNewValue)

The TwainSetCapCurrentString syntax has these parts:

Part Description
object Required. An object expression that evaluates to an object in the Applies To list.
nCap Required. Long A TWAIN capability constant.
nItemType Required. Long A TWAIN Item Type constant.
Should be: TWTY_STR32, TWTY_STR64, TWTY_STR128, TWTY_STR255, TWTY_STR1024, TWTY_UNI512.
You can determine the type of each TWAIN capability using the TwainGetCapItemType function or looking the twain references from http://www.twain.org
sNewValue Required. String. New value to set to the selected TWAIN capability.

Returns

Boolean. True if success, else False -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.

Remarks

Before using this function check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN)
To get the TWAIN state, use the TwainGetState() function.

This fuction can be used to set the folowing types of capabilities: .

Category

TWAIN Functions

Visual Basic Sample

To set the ORDERED halftone mode


bSuccess = object.TwainSetCapCurrentString(ICAP_HALFTONES, object.TwainGetCapItemType(ICAP_HALFTONES), "ORDERED")






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