Gets a value of the left-most edge of the rectangle, in units of measure used by device.
var instance = new Vintasoft.Twain.WebTwainFrameJS(left, top, right, bottom);
var value; // Type: number
value = instance.get_Left();
function get_Left() : number;
Return Value
A value of the left-most edge of the rectangle, in units of measure used by device.
