VintaSoft Twain .NET SDK 15.4: Documentation for Web developer
Vintasoft.Twain Namespace / WebTwainDeviceJS type / get_Threshold Property
Syntax Exceptions Remarks BrowserCompatibility SeeAlso
In This Topic
get_Threshold Method
In This Topic
Gets threshold of black-white images for current scan session for TWAIN/WIA/SANE/eSCL device.
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);

var value; // Type: number
value = instance.get_Threshold();

Return Value

Threshold of black-white images for current scan session.
Exceptions
ExceptionDescription
Thrown if device is not opened OR error occurs during getting value of device capability.
Remarks

This property sends a synchronous request to get value of WebTwainDeviceCapabilityIdEnumJS.IThreshold capability. If you want to use asynchronous request instead of synchronous request, please get information about WebTwainDeviceCapabilityIdEnumJS.IThreshold capability using WebTwainDeviceJS.getCapabilityAsync or WebTwainDeviceJS.getCapabilitiesAsync function.

Browser Compatibility
9
See Also

Reference

WebTwainDeviceJS Class
WebTwainDeviceJS Members

 

 

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