In This Topic
Sets halftones for bit depth reduction of images for current scan session.
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);
var returnValue; // Type: any
// Parameters
var value; // Type: string
returnValue = instance.set_Halftones(value);
function set_Halftones(
: string
) : any;
Parameters
- value
- The halftones for bit depth reduction of images for current scan session.
Exceptions
Exception | Description |
| Thrown if device is not opened OR error occurs during setting value of device capability. |
Remarks
This property sends a synchronous request to set value of WebDeviceCapabilityIdEnumJS.IHalftones capability. If you want to use asynchronous request instead of synchronous request, please set value of WebDeviceCapabilityIdEnumJS.IHalftones capability using WebTwainDeviceJS.setCapabilityAsync or WebTwainDeviceJS.setCapabilitiesAsync function.
Browser Compatibility
See Also