VintaSoft Twain .NET SDK 15.5: Documentation for Web developer
Vintasoft.Twain Namespace / WebTwainDeviceJS type / acquireModalSync Methods / acquireModalSync() Property
Syntax Exceptions Remarks BrowserCompatibility SeeAlso
In This Topic
acquireModalSync() Method
In This Topic
Does one step of synchronous image acquisition from TWAIN/WIA/SANE/eSCL device (web server will not send response for image acquisition progress).
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);

var value; // Type: Vintasoft.Twain.WebTwainDeviceAcquireModalResultJS
value = instance.acquireModalSync();

Return Value

An instance of WebTwainDeviceAcquireModalResultJS class.
Exceptions
ExceptionDescription
Thrown if device is not opened OR error occurs during one step of synchronous image acquisition.
Remarks

This function sends a synchronous request to do one step of synchronous image acquisition from TWAIN device. If you want to use asynchronous request instead of synchronous request, please use WebTwainDeviceJS.acquireModalAsync function.

Browser Compatibility
9
See Also

Reference

WebTwainDeviceJS Class
WebTwainDeviceJS Members

 

 

Copyright 2007-2026 VintaSoft LLC. All Rights Reserved.

Send Feedback