Used to define or re-initialize the area to scan.
Remark: TwainScanArea must be called only if the Twain device used corresponds to a scanner. Otherwise, TwainScanArea is ignored.
// Define the area to scan
TwainScanArea(0, 0, 150, 280)
// Display the document found in the scanner in the "IMG_MyImage" control
// Only the area to scan will be displayed
TwainToControl(IMG_MyImage, 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 top left corner of the area to scan.
<Y1>: Integer
Y-coordinate (in millimeters) of the top left corner of the area to scan.
<X2>: Integer
X-coordinate (in millimeters) of the bottom 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.