TwainScanArea (Function)

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Operating mode in the 64-bit applications

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TwainScanArea (Function)

In french: TwainZoneScan

Warning
From version 28, TwainScanZone is kept for backward compatibility. This function has been replaced with TwainScanArea.

Used to define or reinitialize the area to scan.

Note The function TwainScanArea function should only be used if the Twain device being used is a scanner. Otherwise, TwainScanArea is ignored.

Example

// Définition de la zone à scanner
TwainScanArea(0, 0, 150, 280)
// Affichage du document présent dans le scanneur dans le champ "IMG_MonImage"
// Seule la zone à scanner définie sera affichée
TwainToControl(IMG_MonImage, False)

Syntax

Reinitializing the area to scan

TwainScanArea()

Defining the area to scan Hide the details

TwainScanArea(<X1> , <Y1> , <X2> , <Y2>)

<X1>: Integer

X-coordinate (in millimeters) of the upper-left corner of the area to scan.

<Y1>: Integer

Y-coordinate (in millimeters) of the upper-left corner of the area to scan.

<X2>: Integer

X-coordinate (in millimeters) of the lower-right corner of the area to scan.

<Y2>: Integer

Y-coordinate (in millimeters) of the lower-right corner of the area to scan.

Remarks

Operating mode in the 64-bit applications

In a 64-bit application, this function will automatically use the 64-bit Twain driver. The TWAIN cannot be used if this driver is not installed.

Component: wd300std.dll